2024

Suzuka Circuit
Endurance Race
General Supplementary Regulations

2024 Suzuka 4Hours Endurance Race <ST600>
Supplementary Regulations
Fri. 2nd – Sun. 4th August 2024
2024 JP250 4Hours Endurance Race
Supplementary Regulations
Fri. 22nd – Sun. 24th November 2024

[Announcement]
We hereby announce that the year 2024 will be the last year for Suzuka 4Hours Endurance Race
<ST600> and JP250 4Hours Endurance Race to be organized and neither of the events will be heldfrom 2025 and onwards.
We would like to extend our deepest gratitude to all the people involved for having participated in theevents over the course of the years.
Your understanding would be greatly appreciated.

Suzuka Circuit

Chapter 1. GENERAL PROVISIONS
ART. 1VENUE AND TRACK
ART. 2
NUMBER OF ENTRIES ACCEPTED
ART. 3
NUMBER OF TEAMS TO START THE RACE
Chapter 2. ELIGIBILITY OF MOTORCYCLES AND FUEL RULES
ART. 4
ELIGIBLE MOTORCYCLES
ART. 5SPECIFICATIONS FOR ENDURANCE RACING
ART. 6
FUEL RULES
Chapter 3. TECHNICAL INSPECTION
ART. 7 TECHNICAL INSPECTION
Chapter 4. REGISTRAITON AND CHANGE OF RIDERS AND PIT CREWS
ART.8 REGISTRATION AND CHANGE OF RIDERS
ART.9 REGITRATION AND CHANGE OF PIT CREWS
Chapter 5. RULES OF CONDUCT FOR COMPETITORS
ART.10 RULES OF CONDUCT FOR COMPETITORS
ART.11 COMPULSORY VISIT TO MEDICAL CENTER WHEN INJURED
Chapter 6. FLAG POSTS
ART.12 FLAG POSTS
Chapter 7. METHOD OF QUALIFICATION
ART. 13 QUALIFYING PRACTICE
Chapter 8. START OF THE RACE
ART. 14
STARTING METHOD
ART. 15 STOP & GO PENALTY
Chapter 9. BEHAVIOUR DURING PRACTICE AND RACE
ART. 1 6 STOPPING ON THE TRACK
ART. 17 BEHAVIOR DURING PRACTICE AND THE RACE
ART. 18 PIT LANE
ART. 19 NEUTRALIZATION OF THE RACE
ART. 20
ENTERING AND LEAVING PITS, PIT STOPS AND GOING OFF TRACK
ART. 21 RECOVERY VEHICLE (SERVICE CAR)
ART. 22 RIDER CHANGEOVER
ART. 23 FOUL OR DANGEROUS RIDING
Chapter 10. REFUELING
ART. 24 REFUELING DURING THE RACE
ART.25
FIRE EXTINGUISHERS
Chapter 11. INTERVENTION ON MOTORCYCLES AND PIT WORK
ART.26INTERVENTION ON MOTORCYCLES DURING THE RACE
ART.27
PIT WORK
ART.28PIT SIGNS
Chapter 12. INTERRUPTION OF THE RACE
ART. 29
STOPPING THE RACE
ART. 30
RESUMING THE RACE

Chapter 13. FINISH OF THE RACE AND CLASSIFICATION
ART. 31FINISH OF THE RACE AND CLASSIFICATION
ART. 32PROVISIONAL PODIUM CEREMONYART. 33
POST-RACE TECHNICAL INSPECTION ON CLASSIFIED MOTORCYCLES
ART.34
PUBLICATION OF RACE RESULTS
Chapter 14. COMPENSATION FOR DAMAGES
ART. 35
COMPENSATION FOR DAMAGES
Chapter 15. APPLICATION/INTERPRETATION OF THE SUPPLEMENTARY REGULATIONSART. 36
INTERPRETATION OF THE SUPPLEMENTARY REGULATIONSART. 37ISSUING OF OFFICIAL NOTICES
ART. 38
ENFORCEMENT OF THE SUPPLEMENTARY REGULATIONS

2024 SUZUKA 4Hours Endurance Race <ST600>
SUPPLEMENTARY REGULATIONS
Chapter 1. GENERAL PROVISIONS
ART.1 OFFICIAL TITLE OF THE MEETING
ART.2 ORGANISER
ART.3 STATUS OF THE MEETING
ART.4 OFFICIALS
ART.5 DATE OF THE MEETING
Chapter 2. APPLICATION FOR ENTRY
ART.6 ELIGIBLE CLASS OF MOTORCYCLES
ART.7 ELIGIBLE RIDERS
ART.8 ENTRY FEE
Chapter 3. ELIGIBLE MOTORCYCLES
ART.9 ELIGIBLE MOTORCYCLES
Chapter 4. QUALIFYING PRACTICE
ART.10QUALIFYING PRACTICE
Chapter 5.
PRIZES
ART.11PRIZES
Chapter 6. APPLICATION OF THE SUPPLEMENTARY REGULATIONS
ART.12 INTERPRETATION OF THE PRESENT REGULATIONS
ART.13 ISSUING OF OFFICIAL NOTICES
ART.14 POSTING OF OFFICIAL NOTICES
ART.15 CONTACT ADDRESS OF THE EVENT SECRETARIAT
ART.16 ENFORCEMENT OF THE PRESENT REGULATIONS
2024 JP250 4Hours Endurance Race
SUPPLEMENTARY REGULATIONS
Chapter 1. GENERAL PROVISIONS
ART.1 OFFICIAL TITLE OF THE MEETING
ART.2 ORGANISER
ART.3 STATUS OF THE MEETINGG
ART.4 OFFICIALS
ART.5 DATE OF THE MEETING
Chapter 2. APPLICATION FOR ENTRY
ART.6 ELIGIBLE CLASS OF MOTORCYCLES
ART.7 ELIGIBLE RIDERS
ART.8 ENTRY FEE/PROCEDURE FOR ENTRY APPLICATION
Chapter 3. ELIGIBLE MOTORCYCLES
ART.9 ELIGIBLE MOTORCYCLES
Chapter 4. QUALIFYING PRACTICE
ART.10QUALIFYING PRACTICE
Chapter 5. MINIMUM NUMBER OF COMPULSORY REFUELLING PIT STOPS
ART.11MINIMUM NUMBER OF PIT STOPS REQUIREDChapter 6. PRIZES
ART.12 PRIZES
Chapter 7. APPLICATION OF THE SUPPLEMENTARY REGULATIONS
ART.13 INTERPRETATION OF THE PRESENT REGULATIONS
ART.14 ISSUING OF OFFICIAL NOTICES
ART.15 POSTING OF OFFICIAL NOTICES
ART.16 CONTACT ADDRESS OF THE EVENT SECRETARIAT
ART.17 ENFORCEMENT OF THE PRESENT REGULATIONS

Notice
The competitions held at Suzuka Circuit are organized under the sanction of the Motorcycle Federation ofJapan (MFJ) in accordance with the FIM Sporting Code. The regulations laid out hereunder constitute thegeneral regulations that serve as a basis for the endurance races held at Suzuka Circuit. Each of the races issubject to the present Regulations as well as the supplementary regulations specifically applied thereto.

CHAPTER 1 GENERAL PROVISIONS
ART.1 VENUE AND TRACKInternational Racing Course, Suzuka Circuit: A closed track of 5.821km (Racing direction: clock-wise)
ART.2 NUMBER OF ENTRIES ACCEPTED
There will be 65 entries accepted.
In case the prescribed number of entries is reached, the entry application period may be closed
halfway through.
ART. 3 NUMBER OF TEAMS TO START THE RACE
Maximum 65 teams permitted to start the race.

CHAPTER 2 ELIGIBILITY OF MOTORCYCLES AND FUEL RULES
ART.4

ART.5

ART.6

ELIGIBLE MOTORCYCLES
The competing motorcycles for each category must conform to the technical specifications
stipulated in the MFJ National Sporting Regulations as well as to the Suzuka Circuit Road Racetechnical regulations.
SPECIFICATIONS FOR ENDURANCE RACING
5-1
In order to curb the cost of participation, the “Specifications for Endurance Racing laid out
in Appendix 12 of the MFJ National Sporting Regulations” will not be applied.
5-2
Lock and opening-closing mechanism on the fuel filler cap may not be changed from theoriginal as homologated.
FUEL RULES
6-1
Fuels will be controlled in accordance with 13-11 in the Appendix 4, Road Race Sporting Rules
under the MFJ National Sporting Regulations and a proof of purchase sticker (voucher) issued
when purchasing designated fuels from the gas pump on the premises must be affixed to themotorcycle technical specification sheet for submission.
(The validity of such sticker will be 14 days after the date of purchase)
6-2
The fuel purchase sticker must be submitted before the end of technical inspection.

If it cannot be submitted before the end of technical inspection for unavoidable
reasons, it must be submitted to a scrutineer before the start of qualifying practice.
6-3

Fuels supplied on the premises(1) The following types of fuel are available for supply at the pump station on the premises.
* As of December 2023
High octane gasoline
Regular gasoline
Brand
Lead content
UnleadedUnleadedResearch Octane
100.0
90.4
3
Density (15 ℃)
0.7347g/cm
0.7226g/cm3(2) Different brands of fuel must not be mixed. Precaution must be exercised to keep fuel fromthe previous use from getting mixed.
(3) Fuel supply point: Entrance to Paddock B(4) Fuel must be purchased, using a portable metal container complied with the nationalfire laws.

CHAPTER 3 TECHNICAL INSPECTION
ART.7 TECHNICAL INSPECTION
7-1
The technical inspection will be carried out in the technical control area in the paddock
according to the timetable. Motorcycles with the under-cowling (lower part of fairing) taken off
must be subjected to technical inspection together with the under-cowling.
7-2
Motorcycles must be submitted for technical inspection within the time specified in the timetable.
No technical inspection will be carried out after the specified timeframe, unless specifically

7-3

7-4
7-5
7-6
7-7

permitted by the Jury of the Meeting under unavoidable circumstances。Also, all the riders
registered must be present at technical inspection being carried out.
The following items must be presented to technical inspection:(1) Rider’s personal protective equipment (helmets [including a remover, leathers,
chest/back protectors, boots, gloves and an airbag-equipped protection, if applicable)(2) Motorcycles(3) Motorcycle specifications forms affixed with a proof of fuel purchase sticker (voucher)If pit crews are to be also present for technical inspection, up to two registered members will bepermitted.
Any motorcycles judged unsuitable for participation in competition under the regulations or forsafety reasons will be prohibited from participating in all sessions.
Noise control and fuel tank capacity check may be carried out on the motorcycles during technicalinspection. The date, time and location of control will be announced in an official notice.
The protective equipment (helmets and leathers) for riders from overseas will be permitted,
provided that such equipment meets the safety standards of the countries the riders come from.

CHAPTER 4 REGISTRATION AND CHANGE OF RIDERS AND PIT CREWS
ART.8 REGISTRATION AND CHANGE OF RIDERS
8-1 Registration of a substitute rider(1) One substitute rider may be registered, provided that he is eligible for the category
concerned.
(2) Registration may be made only in the entry application period. However, registration
after the entry application period may be made under unavoidable circumstances such as
an injury sustained during a competition, subject to the approval by the Jury of the Meeting.
8-2 Change of a rider may be made only with a substitute rider registered.
8-3 Should any one of the registered riders not be able to take part in qualifying practice for unavoidable
reasons such as an injury sustained, etc., the team must notify the race secretariat with a medical
certificate from a doctor. Only with the approval by the Jury of the Meeting will the change of riders
be permitted.
8-4 Change of the registered riders scheduled to take part in the race will be only permitted, forunavoidable reasons such as an injury sustained during a qualifying practice, etc., whichmust be notified to the race secretariat and only subject to the approval by the Jury of the Meeting.
Application for the change of the rider must be submitted within 30 minutes after the end of the lastsession prior to the race. However, the replacement rider must have completed at least one timed lap
during a free practice or supplementary practice held in the race week, and must have recorded
the time that meets the standard qualifying time applicable to the race concerned.
ART.9
REGISTRATION AND CHANGE OF PIT CREWS
9-1 1 to 5 pit crewmembers registered on the entry application are allowed per team.
(At least one member must be registered)
Pit crewmembers to be registered must be 16 years of age and older.
9-2 If there are pit crewmembers working for more than one team, they must be registered on the entry
form as pit crewmembers for both teams. Please note that if a team has 1 (one) pit crewmember
registered, he may not be registered with any other team at the same time. Likewise, anybody
registered as a rider (including a regular or substitute rider registered with any other team)
may not be registered as a pit crewmember.
9-3 All pit crewmembers must be holders of an MFJ pit crew license valid for the current year.
9-4 After the entry application deadline, teams may not register additional pit crews.
However, only at the administrative check, teams may replace a pit crewmember already registeredwith the other member (with no extra charge).

9-5 Pit crewmembers from overseas are not required to have MFJ licenses, provided that they are 16
years of age and older.
9-6 No compensation from the insurance scheme including the MS Mutual Insurance Scheme will
be made to cover any pit crewmember unregistered.

CHAPTER 5 RULES OF CONDUCT FOR COMPETITORS
ART.10RULES OF CONDUCT FOR COMPETITORS
10-1 All competitors must behave in an open-minded and impartial manner, mind their language andalways act in the spirit of sportsmanship.

10-2
10-3

All competitors must follow the instructions of race officials throughout the event.
Competitors must not resort to derogatory language or action that may disgrace the reputationof the Organiser, the Jury or any other officials of the event.
10-4 Competitors must take responsibility for their own action as well as that of all the teampersonnel.
10-5 A protest against any decision taken for the breach of the rules of conduct by the competitor will
not be accepted, and a penalty decided by the Jury of the Meeting will be imposed on theoffender, and any rider who committs a serious offence will be disqualified.
10-6 It is the responsibility of competitors to properly manage the gasoline stored in their pit andthe paddock.
ART.11 COMPULSORY VISIT TO MEDICAL CENTER WHEN INJURED
If a rider should get injured, he must receive a medical examination at the medical centerin the Suzuka Circuit. Failure to get a medical examination may result in the exemption from
the MS Mutual Insurance Scheme.

CHAPTER 6 FLAG POSTS
ART.12FLAG POSTS
Flag posts around the track are located as indicated in the map below. Riders are requested tocheck the locations on their first out-laps.
Full course race: Post 0 – 18 (29 in total).
12-2 In order to prevent the riders from taking the chequered flag twice,
the moment the leader crosses the Control Line for the first time, a single yellow flag will beshown motionless at each flag post.
12-1

CHAPTER 7 METHOD OF QUALIFICATION
ART.13QUALIFYING PRACTICE
13-1 Qualifying Practice(1) If qualifying practice needs to be run in multiple groups, the riders will be divided
alternately into groups ABAB in the order of racing numbers.
(2) To be qualified a rider must have completed at least one timed lap.
(3) When a session is resumed after it is interrupted to stop all the motorcycles with the red flag,
the riders may go out from the pit lane exit following the signal light.
(4) Standard qualifying time for each race will be laid out in the relevant supplementary
regulations applicable to the race concerned.
13-2 The time used to determine the qualification order for each team shall be the average of the best
lap times recorded by the registered riders within each team during qualifying practice.
In case of a tie in the average times, the best lap times within the teams shall be compared todetermine the qualification order.
13-3 The three highest teams in the provisional overall results of qualifying practice, from among theteams who have submitted the request for a permission to start the race will be eligible to be on
the waiting list. The request for a permission to start the race must be submitted to the race
secretariat within 30 minutes after the provisional overall results of qualifying practice is published.
13-4 In case the qualifying practice is cancelled due to weather or otherwise, the starting grid may beestablished on the basis of the times from a free practice (a supplementary sporting practice) held
during the race week.
13-5 However, in case the race is also cancelled, no prizes will be presented.

CHAPTER 8 START OF THE RACE
ART.14 STARTING METHOD
14-1 The Le Mans style start with the presentation of the National Flag will be adopted for starting therace. The starting method may be subject to change for reasons of weather and other factors.
14-2 The riders will start from their starting grids simultaneously.
14-3 In principle the starting riders shall be Rider Blue, but any team who wishes to change theirstarting rider must submit an application to the race secretariat within 30 minutes after the end of
the last qualifying practice and obtain approval.
Even if the starting rider is switched, the arm bands must not be switched.
14-4 The riders shall make one sighting lap, at the end of which they must stop and switch off theengines near the last grid position, where the marshal is displaying two red flags motionless.
Then, a team member must push the motorcycle to the designated grid.
While the motorcycles are being pushed to the grids, the starting riders may dismount from orremain on the motorcycles.
14-5 Once the motorcycles are lined up, the engines may not be started until the start of the engine
warm-up signal is given.
14-6 At the end of the engine warm-up period, the motorcycles must be lined up on the platform sidein Le Mans style, and the starting riders must move to the other side (grandstand side), where theymust stay until the race starts without going back to their motorcycles. One foot of the rider must
be on the dot marked on the track just before the start.
14-7 A second rider (excluding a substitute rider) must stand by with a helmet, leathers andriding boots on, supporting the motorcycle at the rear. All other team personnel must retreat
into the pit box. Up until this point, there is no restriction on the number of mechanics working
on the motorcycle.
14-8 One mechanic registered as a pit crew and also designated as a start assistant is permitted
to stand by behind the machine on the starting grid to assist the starting rider wearing anairbag-equipped protection if applicable. The assistant is permitted to connect a wire of
the airbag only. Any other work is strictly prohibited. The assistant must wear long
sleeves, long pants, shoes and a motorcycle helmet, and must also wear an arm band issued
at the time of administrative check for an airbag assistant.
14-9 A generator for the tyre warmer may be used on the grid. The MFJ National Sporting Regulations,
Appendix 4, Road Race Sporting Rules 17-4-4 must be adhered to with respect to the use of agenerator.
14-10 The engine must be started by the rider alone, using the starting device (cell starter) mounted on
the motorcycle. At the start, the motorcycle may not be pushed or otherwise started with the help

of others until the signal is given. A penalty will be imposed for any infraction.
14-11 Upon showing by the flag marshal of the “PUSH” board after all the motorcycles able to do sostart off, can the assistant push-start any motorcycle stalled at the start. The board will be
displayed from the flag towers on the Control Line and on the Start Line.
14-12 If the engine still would not start, the motorcycle may be pushed to the pit lane, where it canbe worked on by the mechanics before restarting.
14-13 The details of the starting procedure will be separately notified.
ART. 15 Stop & Go Penalty
15-1 A Stop & Go penalty will be imposed for infraction of the starting procedure (including a jump
start). The rider concerned must come in and stop at a penalty stop area located immediately
before the pit lane exit on the right.
15-2 A single board indicating both the word “STOP” and the racing number (See the sample below)
will be displayed at the flag post (Post 0) on the Control Line to the rider concerned.
The board will also be displayed at Post No.14.5, where no 3-lap rule will be applied.
15-3 If the rider should fail to come back in on the lap the board is shown for the 3rd time to implement
the penalty, he will be disqualified.
15-4 If more than one rider is penalized with a Stop & Go procedure at a time, the order of the riders
to serve the penalty will be based on the qualifying time with the faster rider stopping first.
15-5 During a Stop & Go procedure, the rider concerned must implement his penalty
without stopping at his pit box or elsewhere. Any infraction will result in a Stop & Go penalty
procedure being repeated over again.
15-6 The pit crew of the rider concerned will also be notified of a Stop & Go penalty being
imposed with the showing of the board. No protest will be accepted for the decision.
15-7
A Stop & Go penalty may be imposed for infraction of the starting procedure.
A board sample

ＳＴＯＰ

24

Penalty Stop Area

CHAPTER 9 BEHAVIOR DURING PRACTICE AND RACE
ART.16 STOPPING ON THE TRACK
16-1 If a rider needs to stop on the track, he must immediately move his motorcycle to the track sideand make sure that its presence does not get in the way of other riders.
16-2 The rider must not push or pull the motorcycle in the direction opposite to the race, except under
the instructions given by the officials.
16-3 The rider who wishes to withdraw due to an accident or mechanical trouble must notify the nearest
track marshal of this fact, and turn in a withdrawal report provided for this purpose.
16-4 The rider must leave the machine in the control of the track marshal until the finish of the race.
He must, however, follow any instructions given by the marshal to move the motorcycle to a placewhere it does not interfere with the running of the race.
ART.17 BEHAVIOR DURING PRACTICE AND RACE
17-1 During all sessions, the riders must wear armbands on the upper part of both arms.
○ Rider BLUEBlue
○ Rider YELLOWYellow○ Substitute riderRed* If the team applies for the change of their riders under 8-3 and 8-4, they must make sure thatthe riders wear the correct arm bands accordingly.
17-2 During all sessions, the rider must not open the fuel cap while riding to get ready for refuelling.
17-3 It is prohibited to ride the motorcycle with a key or any tool being put in the fuel tank filler cap.
ART.18 PIT LANE
18-1 The area in front of the pit box (pit lane) is divided into 3 different sections:(1) Fast lane:
This area is for the exclusive use of entering and leaving the pits and the speed
must be reduced.
(2) Auxiliary lane:
This area is crossed when going from the fast lane to the working area
(inner lane) or when going from the working area (inner lane) to the fast lane.
(3) Working area:
This area is used to perform pit work and is also a stopping area for machines.
Track
White line①

Platfrom(Signalling Area)

5.5m

Fast Lane
White line②
White line③

Auxiliary Lane

2.9m

Gray joint①
Gray joint②

5.0m
Working Area(Inner Lane)

Gray joint③

1.0m

Gray line

1.1m

White line④

2.7m
Red line

Pit box

Pit box

Steel Mesh Partition

4.75m

19.0m

22.0m

18-2 For the purpose of ensuring safety in the pit lane, the speed limit of 60 km/h will be enforced
throughout the event period.
A penalty will be imposed for any infraction. Any infraction during the race will entail a Stop
& Go penalty imposed each time an infraction occurs. A Stop & Go procedure will be repeated forinfraction of the speed limit. However, if the penalty cannot be implemented before the race
finish, a time may be added to the race result instead.
18-3 The riders must not go out when the signal light at the pit lane exit is “red,” and may do so whenit goes “green”. When there is no signal light or flashing blue light on, it shall be regarded
as “green.”
ART.19 NEUTRALIZATION OF THE RACE
19-1 Two “Safety Cars" with flashing orange lights on the rooftop will enter the track at the point
just before Turn 1 (the 1st corner) and past Turn 11 (Hairpin curve) simultaneously.
At this moment, the “SC” board and the waved yellow flag will be displayed at all the observation
posts, thereupon all motorcycles must line up in a single file behind the “Safety Cars” without
overtaking. If any rider finds it difficult to stay in line during the SC intervention period, he must
indicate the fact to other riders following by raising his arm before getting out of line.
19-2 While the Safety Cars are being deployed, the riders may return to the pit. The motorcycles must
form a line at the pit exit before going out again after a pit stop. They may only rejoin the track
when the green light at the pit lane exit is lit. The green light will remain on for 10 seconds after
the last motorcycle in the field behind the Safety Car has passed the pit exit. Any rider, who is
not able to go out during this time, must wait for the next group of motorcycles following the
Safety Car.
19-3 The Safety Cars, at the order given by the Clerk of the Course to call in the “Safety Car”, will turnoff the orange lights near the next Safety Car post.
19-4 Of the two Safety Cars, the former SC will pull off into the runoff area on the right after passing
Turn 9 (Degner corner 2) and the latter into the pit entry road for cars at Turn 18 (the last
corner), whereupon the “SC” board and the waved yellow flag will be taken down at all theobservation posts to return to racing.
Intervention laps led by the “Safety Car” will also count as race laps.
19-5 After the order to call in the Safety Cars is given, if the track condition changes significantly, etc.,
which makes it necessary to delay the resumption of the race, the Safety Cars will turn on the
flashing orange lights again and continue the neutralization procedure. The “SC” board and the
waved yellow flag will remain displayed at all the observation posts.
19-6 A neutralization exercise may be carried out during the event.
ART.20 ENTERING AND LEAVING PITS, PIT STOPS AND GOING OFF TRACK
20-1 All the motorcycles must use the pit entry road to return to the pits.
20-2 A rider wishing to make a pit stop must move to and stay on the right side of the track before
Turn 15 (130R) and enter the pit entry road after signalling his intention with his hand or foot andmaking sure that it is safe to do so. The rider must travel the fast lane without so much using theauxiliary lane and the working area to come to his pit.
20-3 A rider pushing his motorcycle through the runoff area off the track following an accident or
mechanical trouble must follow the marshal’s instructions.
* The “PUSH” board will be displayed at each post, where there is such rider pushing his
motorcycle along the trackside.
20-4 Any motorcycle making a pit stop for refuelling or rider changeover must switch off the engine.
20-5 When returning to the pit through non-regular routes;(1) If it is regarded as dangerous by the marshal for any motorcycle damaged after a fall, etc.tocontinue on the track, such motorcycle may be permitted to return to the pit through the
non-regular routes indicated below as a relief measure only under the instructions andsupervision of the marshal.
①Turn 16 (the last chicane 1) to near the last corner②East Shortcut③Pit lane exit
④East Course to Paddock⑤Pickup by a service car
However, the use of the non-regular routes ②～⑤ above to return to the pit will resultin the cancellation of the lap concerned.
Should any rider return to the pit via the non-regular routes above or without the marshal’s
instructions or supervision, the following penalties will be imposed:* Qualifying practice: the lap concerned (on which the rider uses a shortcut route to come in)will be cancelled and the rider will not be permitted to continue in the qualifying practice.
* Race: the lap concerned (on which the rider uses a shortcut route to come in) will becancelled and 2 laps deducted.
(2) A rider who wishes to return to the pit through the non-regular routes must first check withthe marshal before doing so. If he comes back to the pit through the non-regular routes
without first consulting the marshal, he may be subject to an additional penalty.
(3) Riders using the track and the pit entry road to come back to the pit shall have the right ofway. A rider coming back to the pit through the non-regular routes must ensure safety at themerging traffic point on the track and the pit entry road.
(4) If a rider enters the pit lane from the pit lane exit to come back to the pit in the opposite
direction to the race, he must push his motorcycle under the marshal’s instructions.
It is prohibited to ride the motorcycle with the engine running under any circumstances.
(5) If any motorcycle comes to the pit after sustaining a damage due to a fall, etc., the official
concerned may check such motorcycle before allowing it to go out on the track. If it isdeemed unfit after the check, the motorcycle will not be permitted to re-join the track.
20-6 When re-joining the track after crossing the chicane, missing the apex of a corner, or gaining
an advantage in re-joining the track;(1) The rider must ensure safety when he gets back on the track after a fall or missing the apex
of a turn.
(2) If the rider concerned gains any advantage as a result of the infractions stated in (1) above,
the following penalties may be imposed:*Qualifying practice: the lap time concerned to be cancelled*Race: Decision to be made by the Jury of the Meeting
However, for the sake of safety, no penalty will be imposed on the rider, who has a fall
between Turn 16 (last chicane 1) and near the last corner, on the condition that the motorcycle
is checked in the pit after making a shortcut to come in through the pit entry road.
ART.21 RECOVERY CARS (hereinafter called “Service Cars”)
21-1 Two service cars will be deployed in the track at this event.
21-2 During the race, if a rider, due to a fall or mechanical trouble, needs to push his bike back to his
pit, he will be allowed to return on a service car together with his bike from three locations aroundthe track; Turn 9 (Degner corner 2) on the left, the opening on the right between Turn 11 (Hairpin
curve) and Turn 12a (200R chicane) and Post 14.5 (West Race Control) on the right between Turn
14 (Spoon curve 2) and Turn 15 (130R) to the paddock (near the medical heliport).
21-3 Mechanics for such rider can wait near the medical heliport, from where they can pick up theirbike and rider back to their pit box. If there are more than one machines to be picked up, the orderof recovery will be determined by the officials.
21-4 No protest will be accepted with regards to the order of recovery service provided.
No penalty will be imposed such as a deduction of a lap as a result of using this recovery service.
ART.22 RIDER CHANGEOVER
22-1 During a pit stop for refuelling, the rider must change over.
22-2 Team representatives must declare without delay the rider changeover to the official.
ART.23 FOUL OR DANGEROUS RIDING
23-1 Riders must not intentionally interfere with other riders during a session. Further, riders
may not behave in a manner that is likely to result in grave consequences.
23-2 Changing lanes on the straight in front of the Grand Stand as well as on the straight between
Turn 14 (Spoon curve 2) and Turn 15 (130R) is prohibited except for the purpose of

23-3

overtaking another motorcycle.
No protest will be accepted on rulings regarding the infringement of the rules in this article
23, and a penalty decided by the Jury of the Meeting will be imposed on the offender.
Any rider who commits a serious offence will be excluded from the race.

CHAPTER 10 REFUELLING
ART.24 REFUELLING DURING THE RACE
24-1 Refuelling must be performed with a standard metal fuel container or a handheld-type metalsuspended tank.
24-2 Refuelling equipment must be approved by the pit inspector, and only the approved equipment
may be used throughout the event. The pipe end of the refuelling equipment shall be cylindricalin form with a bore (inside diameter) of up to 25Φ (25 mm) maximum.
24-3 A so-called “quick charge “system that involves modifications of a fuel filler cap is prohibited.
24-4 Change to the shape of and/or the filler cap opening mechanism of a fuel tank as homologated isprohibited.
24-5 Fuel shall be charged into a single tank secured to the motorcycle. A seat tank or an auxiliary tankis prohibited. The use of a replacement tank that is easily detachable for refuelling is also
prohibited.
24-6 Refuelling must be carried out with the motorcycle securely supported on a stand.
24-7 Refuelling or all other intervention on the motorcycle may be carried out only in the pit assigned
to the team concerned.
Further, the refuelling may be carried out only in the work area in front of the pit assigned
to the team concerned.
24-8 When refuelling during the race, at least one mechanic of the team must be present on the spot andthe team manager must submit a notice of refuelling one lap prior to the scheduled refuelling stopto the pit inspector.
24-9 Refuelling must take place after all the mechanical work on the motorcycle is finished and before
the rider restarts the engine.
24-10 No other work is permitted during refuelling under any circumstances. The rider must not stay on
the motorcycle and the use of a tyre warmer is prohibited during refuelling.
24-11 There must be one pit crewmember standing by with a fire extinguisher while refuelling is inprogress (A team manager or pit sign man can act as the crewmember with a fire extinguisher).
Any spilled liquids must be cleaned off without fail. (See Art.25 FIRE EXTINGUISHERS forthe requirement on fire extinguishers including capacity).
24-12 During refuelling operation, all personnel engaged in refuelling (minimum two people, oneconnecting the refuelling equipment and the other standing by with a fire extinguisher) must wear
eye protective equipment and suitable fire-retardant clothing. The eye protective equipment
herein refers to a full-face helmet with a shield and the goggle type eyewear including goggles
for motocross or skiing, but the eye glasses (such as sun glasses) are not permitted (When wearing
a full-face helmet, a shield must be completely down).
For the suitable fire-retardant clothing stated herein, the Nomex or higher-grade flame-retardant
clothes with long sleeves and long pants (such as racing suit used in car racing or fire-resistantwork coveralls) are strongly recommended, but at least 100% cotton refuelling attire sprayed withwater proofing agent, etc. must be worn as minimum requirements. For the footwear to be worn,no sandals that expose skin are permitted. For the gloves, leather-made ones are minimum
requirements (Nomex or product with higher grade fireproof property is recommended. Rider’s
gloves or cotton work gloves are prohibited). Refuelling with the rider’s leather suit is not
permitted.
24-13 During refuelling, a team crew with a fire extinguisher must stand by with the safety plug pulled
out and direct the nozzle toward the motorcycle being refuelled. Upon refuelling completed, hemust immediately put the safety plug back in place.
24-14 Any mechanical work that needs to be done on the motorcycle after refuelling must be carried out
inside the pit box assigned to the team.
ART. 25 FIRE EXTINGUISHERS
25-1 It is the responsibility of each team to prepare fire extinguishers in working order that comply
with the following specifications:(1) Capacity per unit:
1) ABC Dry Powder type: minimum 3kg,

25-22) Neutral fortified liquid type: minimum 6.0 ℓor
3) CO2 type: minimum 4.6 kg(2) Number of fire extinguishers to be prepared: at least one fire extinguisher for each
motorcycle entered.
*The fire extinguisher installed in the pit box by the organiser may not be used.
Any team, who covers up the check mark on the fire extinguisher given by the marshal
before the race is finished, opens the fuel cap while riding the motorcycle before coming to a stop
for refuelling, or otherwise does any other act judged by the officials as malicious or dangerous,
may be penalized by the Jury of the Meeting.

CHAP. 11 INTERVENTION AND PIT WORK DURING THE RACE
ART. 26 INTERVENTION DURING THE RACE
26-1 All repairs, adjustments and changing of parts with spares during qualifying practice and the race
must be performed using spares and tools either carried on board the motorcycle or kept in the pit
and only by the pit crews registered and the riders.
26-2 All damaged or broken components except for a frame, a crankcase and cast parts of a gearbox
case may be replaced.
26-3 A fuel tank may be replaced by a spare tank if it is crushed during the race in a fall or otheraccidents, provided only that the spare tank is of the genuine tank with the same specifications as
approved in the technical inspection. The spare tank in this case must be mounted on the
motorcycle without fuel.
For any motorcycle with a fuel tank replaced, the crushed tank must be also presented to thetechnical inspection.
26-4 Repairs, adjustments and changing of parts with spares with the use of tools and spares kept in thepit may only be performed on the motorcycle that comes in for a pit stop.
It is prohibited to work on the motorcycle inside the pit box in principle, except for any job
specifically permitted beforehand. There is no restriction imposed on the number of people
working on the motorcycle inside the pit box.
26-5 Repairs on a motorcycle stopped any place other than the pit must be carried out in a safe place.
It is strictly prohibited for anybody other than the rider to carry out such repair work on the
motorcycle. Further, all repairs, adjustments or replacement of parts must be performed only withspare parts and tools carried on board the motorcycle.
26-6 At no time while in competition (on the track) may a rider receive any outside assistance inpushing or riding his motorcycle.
.
However, this rule does not apply, when the track marshals provide help to move the motorcycle
for safety reasons, or when the rider, who has overshot his pit and stopped, pushes the motorcycle
back to the pit by himself and/or with assistance from pit crews.
In the pit lane the motorcycle may be push-started or moved with the assistance of up to
two pit crews.
ART.27 PIT WORK
27-1 When the motorcycle comes back to the pit, the mechanics may come out to the stop area in frontof the pit box to work on the motorcycle.
27-2 Except during pit work, mechanics may not come out and leave the parts or tools in the stop area.
It is the responsibility of each team to ensure that the pit crews other than mechanics directly
engaged in pit work provide sufficient space for the officials to check around the pit area.
27-3 During qualifying practice and the race, the tyres on the competing motorcycle may bereplaced with the change in racing condition. During tyre change work, the engine must be
switched off. The use of electric or pneumatic tools is prohibited.
ART.28 PIT SIGNS
28-1 Pit signs may be conveyed to the riders running on the track.
28-2 Personnel engaged in sending pit signs shall be limited to two per team, who may send signs fromthe signalling platform.
28-3 Signboards to be used may not exceed 100cm × 60cm in size.
Further, they must not be confusingly similar to the signalling flags (including yellow andred flags).
28-4 When securing the signboards, a support or other equivalent device must not be fixed on the track.
Any instructions from the official regarding the method of setup must be followed.

CHAPTER 12 INTERRUPTION OF THE RACE
ART.29 STOPPING THE RACE
29-1 Should it be deemed dangerous to continue the race due to unavoidable circumstances, the Clerkof the Course may stop the race with the agreement of the Jury of the Meeting. However, in caseof emergency, he may stop the race or take any other necessary action without such agreement.
29-2 The signal to stop the race is given by displaying the red flag at all the observation posts aroundthe track to indicate the interruption of the race.
29-3 When the race is stopped, all riders must proceed with maximum caution to and stopat the designated Parc Ferme. All work being done on the motorcycles in the pit must be stopped
immediately. The rider, who is on the pit entry road when the signal to interrupt the race is given,
is regarded as being in the pit.
29-4 If at least two thirds of the total race duration have been completed at the time of interruption, therace may be deemed to have finished and may not be resumed. In this case, the riders will beclassified according to the order in which the race leader and all other riders on the same lap
crossed the Control.Line on the penultimate lap before the red flag was displayed.
29-5 The” Parc Ferme under red flag” will be located in the auxiliary area in front of each team’s pit
box, where the riders must stop. All the motorcycles, on the track or in the pit for repairs or
refuelling, will be directed into the” Parc Ferme under red flag”, except for any motorcycle underrepair work too serious to be moved. All work is prohibited.
The points to be noted when the red flag is given are as follows:(1) One mechanic per motorcycle will be permitted to go to the Parc Ferme and support the
motorcycle on a stand, but only under the officials’ instructions. Also, no other work
may be carried out until so instructed by the officials.
(2) The motorcycles may be worked on in front of the team’s pit upon showing of the green flagfrom the flag towers on the Control Line (Post 0) and on the Start Line (Post 0.5).
At this time, pit work must be carried out in front of each team’s pit box.
At the same time, the start procedure will begin with the sighting lap (the pit exit will beclosed in 5 minutes).

ART.30 RESUMING THE RACE
30-1 When the track is clear of a dangerous condition, the Clerk of the Course may give orders toresume the race with the approval of the Jury of the Meeting.
30-2 The race will be resumed in the Le Mans style, which may be subject to change depending on
the weather and other conditions.
30-3 There will be the following three cases (hereinafter called Case A, B and C) under which therace will be resumed:[Case A]If the leader of the race and all other riders on the same lap have covered less than 3 laps,
the race will be null and void, and will be run as a completely new race.
[Case B]If the leader of the race and all other riders on the same lap have covered three laps or more but
less than two thirds of the original race duration, it will be resumed as a second race.
Starting grid positions for a second race shall be based on the order in which the leader of the race
and all other riders on the same lap have crossed the Control Line on the penultimate lap before
the red flag was deployed. The starting riders shall be free.

30-4
30-5
30-6

The final race results shall be based on the number of laps combined from multiple races run, andthe team who has covered the highest number of laps will be the winner. If there is a tie in thenumber of laps, the results of the last race will prevail.
[Case C]If the leader and all other riders on the same lap have covered two thirds of the original race
duration or more, the race will be deemed as having been completed. Classification will be basedon the order in which the leader and all other riders on the same lap have crossed the Control Lineon the penultimate lap before the red flag was deployed.
The starting procedure will resume with a sighting lap, and the pit exit closed 5 minutes
later.
The motorcycles may not be pushed to the grids. Any rider who is unable to do hissighting lap must start from the pit exit.
Upon the confirmation of the motorcycles taking up positions on the grid, “1 minute tostart” board” will be displayed, after which the standard starting procedure will befollowed.

CHAPTER 13 FINISH OF THE RACE AND CLASSIFICATION
ART.31 FINISH AND CLASSIFICATION
31-1 When the original race duration has elapsed or when the initially scheduled time has come,the chequered flag will be waved at the leader of the race. If the leader fails to cross the Finish
Line within 5 minutes after such time, then the chequered flag will be waved at the 2nd rider in theprovisional classification.
31-2 The race will be officially finished 5 minutes after the chequered flag is shown.
31-3 For the teams to be classified in the race results, the following conditions must be met:
(1) They must cross the Finish Line within 5 minutes after the first motorcycle that received thechequered flag crossed the Finish Line.
(2) Classification will be established for the finishers who received the chequered flag on the
Finish Line on the track side, not on the pitlane side, in the order of the higher number of laps
covered. If there is a tie in the number of laps covered, it will be based on the order in which
they have crossed the Finish Line.
(3) They must have covered more than 75% of the distance travelled by the winning team to beclassified.
31-4 If the original race duration has elapsed or the initially scheduled time has come during theneutralization period in the race, the chequered flag will be displayed from the Safety Car
leading a group of motorcycles with the leader of the race in it.
ART.32 PROVISIONAL PODIUM CEREMONY
32-1 The provisional podium ceremony will be held after the race. Class and positions concerned will
be set out in the relevant supplementary regulations for the race concerned.
32-2 Upon showing of the chequered flag, any motorcycles that are in the pit are not permitted to goout again.
32-3 Any motorcycle that has received the chequered flag but is unable to complete a full lap may
return to the paddock via the U-turn road on the right side of the track before Turn 1 (asphalt
section off the track). In this case, the rider must enter the U-turn road after paying full attention
to any other motorcycle approaching from behind and ensuring safety.
ART.33 TECHNICAL INSPECTION OF CLASSIFIED MOTORCYCLESThe first six motorcycles from each class will be kept under the Parc Ferme control for 30 minutes after
the publication of the provisional results, and subjected to technical inspection as needed.
The teams may not refuse the technical inspection.
ART.34 PUBLICATION OF RACE RESULTS
34-1 After the Race, the provisional results will be published.
34-2 Competitors and riders may not file any protest against the official race results published.

CHAPTER 14 COMPENSATION FOR DAMAGES
ART.35 COMPENSATION FOR DAMAGES
35-1 Except for the period during which the motorcycles are in the custody of race officials, eachcompetitor shall be responsible for any damage sustained by his motorcycles or its equipment.
35-2 Any rider and/or mechanic himself/herself shall be responsible for any injury sustained before,
during and after the event.

CHAPTER 15 APPLICATION OF THE SUPPLEMENTARY REGULATIONS
ART.36 INTERPRETATION OF THE PRESENT REGULATIONS
In case of any doubt over the interpretation of the present supplementary regulations or any ensuing
official notice, an inquiry may be made in writing by a competitor. However, the interpretation or decisionby the Jury of the Meeting made in response to any such inquiry will be final and will be notified verballyto the parties concerned.
ART.37 ISSUING OF OFFICIAL NOTICES
Any details pertinent to the running of the meeting, instructions to participants, and any otherdetails not covered in the present supplementary regulations or arising after the publication thereof will
be communicated in official notices with the following methods:(1) To be sent by post to the address of the team representative;(2) To be posted in the race secretariat office or the official notice board (including the e-notice board);(3) To be informed during the briefing to be held before qualifying or the race,or otherwise called from time to time as needed; and/or(4) To be communicated through public announcement and with text message at the bottom of
the timing monitors in the pits in case of emergency
ART.38 ENFORCEMENT OF THE SUPPLEMENTARY REGULATIONS
The present supplementary regulations shall apply to the 2024 Suzuka 4 Hours Endurance Race
<ST600> and the 2024 JSP 250 4 Hours Endurance Race, and go into effect at the same time as the
opening date for entry application for the race concerned.

2024 Suzuka 4Hours Endurance Race <ST600>
Supplementary Regulations
Fri.2nd – Sun.4th August 2024

Notice
Honda Mobilityland Corp. will organize the 2024 4hours Endurance Race <ST600> at the Suzuka Circuit, Suzuka City,
Mie, Japan, between 2nd and 4th of August 2024. The Event is organized in accordance with the National Sporting
Regulations authorized by the Motorcycle Federation of Japan (“MFJ”) and the Suzuka Circuit Road Race Standard
Regulations and Suzuka Circuit Endurance Race General Supplementary Regulations, the present Supplementary
Regulations in compliance thereof, under the FIM International Sporting Code.

CHAPTER 1 GENERAL PROVISIONS
ART.1 OFFICIAL TITLE OF THE MEETING
2024 Suzuka 4hours Endurance Race <ST600>
ART.2 ORGANISER
Honda Mobilityland Corporation
ART. 3 STATUS OF THE MEETING
Semi-International
ART.4 OFFICIALS OF THE MEETINGThe event officials will be indicated in the official programme.
ART.5 DATE OF THE MEETING
Fri. 2nd Aug.
Verification/Supplementary Sporting PracticerdSat. 3 Aug.
Technical Inspection
Sun. 4th Aug.
Free Practice/Qualifying Practice/Race (4hrs)* The schedule above is provisional and subject to change. Detailed schedule will be indicated in
an official notice.

CHAPTER 2 APPLICATION FOR ENTRY
ART.6 CATEGORY OF TEAMS[Inter-4hours]
Teams whose registered riders include holders of FIM License or MFJ International License[National-4hours]
Teams whose registered riders include holders of MFJ National License only
ART.7 CONDITIONS FOR ENTRIES
7-1
Riders must hold an MFJ Road Race License (International or National) or FIM License valid forthe current year.
7-2
Each team must register two (2) riders per motorcycle entered at the time of entry application.
7-3
Riders must have a record of having participated in an MFJ-authorized or approved event at least
once in 2023 and/or before 10th of June 2024. (Applicable to national riders only. A “record” hereinrefers to a lap time recorded at least for one lap in qualifying practice)
7-4Classification of license holders set out for each category(1) Inter-4hours: Holders of FIM License, MFJ License (International or National)(2) National-4hours: Holders of MFJ National License
7-5
Riders classified in the top 10 positions in the annual point standing in the following category of
motorcycles in the national road race championship in the past three years (2021/2022/2023) are noteligible for the event: JSB 1000 Class, ST600 Class
ART.8 ENTRY FEE・APPLICATION FOR ENTRY
8-1
85,000 yen per entry (incl. tax)
8-2
MFJ Sports Safety Insurance Scheme is not applicable to competitors from overseas.
8-3
Address and Application Period
Suzuka Circuit SMSC Secretariat
7992 Ino-cho, Suzuka-city, Mie Prefecture, 510-0295 JAPAN Tel: 81-593-78-3405
Business hours: 10:00 – 16:00
Application Period:
Opening Date: Tue, 11th June 2024
Closing Date: Tue, 25th June 2024
8-4
For any entry application made after the designated deadline above, the late entry period (for 5days after the closing date) will be set, and any such entry as approved by the race secretariat
only will be accepted with the extra charge of 5,500 yen (incl. tax).
8-5
Entry application must be made via the following website:

8-6

8-7

https://www1.ms-event.net/szkaweb/
Cancellation fees after the entry application made(1) During the entry application period: 1,100 yen (incl. tax). *Administrative handling charge;(2) After the closing date up until 2 weeks prior to the Event (Sun.): 5,500 yen (incl. tax);(3) 2 weeks prior to the Event (Mon.) up until the Event day: Full entry fee (full amount)
All cancellations will incur cancellation charges.

CHAPTER 3 ELIGIBILITY OF MOTORCYCLES
ART.9 ELIGIBLE MOTORCYCLES
9-1
Each category of motorcycles must be production motorcycles homologated (including the ones
formerly homologated) by MFJ that comply with Appendix 9 the ST600 Technical Specifications
under the MFJ National Sporting Regulations and Chapter 2 of the Suzuka Circuit Endurance Race
General Supplementary Regulations.
9-2
Tyres to be used.
(1) Tyres complied with Appendix 10 the ST600 Technical Specifications under the MFJ NationalSporting Regulations (for both dry and wet tyres).
(2) Quantity restrictions
QualifyingRace
1 set of dry tyres
1 set of dry tyres *See Note
*Note1) Dry tyres to be used in the race will be marked during pre-start check.
2) Any tyre damaged due to external factors, etc. may be replaced at the discretion of Chief
Technical Steward.
3) No quantity restrictions imposed on wet tyres.
(3) The following single make tyres only are permitted for use.
Brand
Type
F/R
Product Name
size
BATTLAX RACING R11
FRONT
120/600R17NHS
DRY
BATTLAX RACING R11
REAR
180/640R17
BRIDGESTONE
NHS
FRONT
RACING BATTLAX W01
120/600R17
WET
REAR
RACING BATTLAX W01
190/650R17
Tyre stampings：Dry and wet tyres must have the wording “NOT FOR HIGHWAYSERVICE” or “NOT FOR HIGHWAY USE（Not for public road use）
stamped on its sidewalls.

(4)

(5)

When dry tyres are used, each motorcycle must wear the tyres marked by scrutineers.
In case of change in track condition, tyres may be changed.
Engines must be switched off while changing tyres during qualifying and/or race, and noelectric or pneumatic tools may be used.
The competitors must abide by the tyre designation requirements in Appendix 6, 4-4-3
Bridgestone specified-designations under the MFJ National Sporting Regulation.

CHAPTER 4 QUALIFYING PRACTICE
ART.10
10-1
10-2

QUALIFYING PRACTICE
Each rider must have clocked the lap time that falls within 115 % of the fastest rider’s time in his groupof riders to qualify for the race.
If any one of the registered riders fails to meet the qualifying time mentioned in 10-1 above, the teamconcerned will not be permitted to take part in the race.

CHAPTER 5 TROPHY & PRIZES
ART.11 TROPHY & PRIZES
11-1 Trophy(1) Overall Awards(2) National Awards *1

1st-3rd
1st-3rd

TrophyTrophy11-2*1 To be presented to the National 4 Hours teams*2 The teams should collect their trophies received on the race day. Should they fail
to collect it on the race day, they will be deemed to have relinquished their right toreceive a trophy, whereupon the Race Secretariat may discard or otherwise dispose ofsuch trophy. No delivery at later date will be made.
Prize money(1) Classification Prize Total ￥850,000
Overall Classification

Amount1st￥350,000

2nd￥200,000rd3￥150,000

4th￥70,000

5th￥50,000

6th￥30,000(2) Special Prize Total ￥150,000
Teams

AmountNational 4h 1st￥50,000

2nd￥30,000

National 4h 3rd￥20,000

Pole Position Award￥50,000

National 4h

To the top 3 National Awards teams

To the team starting from highest grid position

CHAPTER 6 APPLICATION OF THE SUPPLEMENTARY REGULATIONS
ART.12 INTERPRETATION OF THE PRESENT REGULATIONS
In case of any doubt over the interpretation of the present supplementary regulations or an official noticeor any other rules, an inquiry may be made in writing by a competitor. However, the interpretation ordecision by the Jury of the Meeting made in response to any such inquiry will be final and will be notified
verbally to the parties concerned.
ART.13 ISSUING OF OFFICIAL NOTICES
Any details pertinent to the running of the meeting, instructions to participants, and any otherdetails not covered in the present supplementary regulations or arising after the publication thereof willbecommunicated in official notices with the following methods:(1) To be sent by post to the address of the team representative(2) To be posted in the race secretariat office or to be posted in the official notice board(3) To be informed during the briefing to be held before or after qualifying or before the race,or otherwise called from time to time as needed.
(4) To be communicated through public announcement in case of emergency
ART.14 POSTING OF OFFICIAL NOTICES
Official notices and results will be posted on the official notice board on the premises oron the downloadable page on the web site for the competitors.
*2024 Endurance Race Competitors’ Page
http://apps.mobilityland.co.jp/info/download/1L0Rt4

ART.15 CONTACT ADDRESS OF THE EVENT SECRETARIAT
Race Secretariat, Suzuka Circuit
7992 Ino-cho, Suzuka-city, Mie Prefecture, 510-0295 JAPAN Tel: 81-593-78-3405 (10:00 – 16:00)
ART.16 ENFORCEMENT OF THE PRESENT SUPPLEMENTARY REGULATIONS
The present supplementary regulations shall apply to the event specified in Art. 1, Chap. 1, and go into
effect on the opening date for entry application.

20２4 JP250 4Hours Endurance Race
Supplementary Regulations
Fri. 22nd – Sun. 24th November 2024

Notice
Honda Mobilityland Corp. will organize the 2024 JP250 4hours Endurance Race at the Suzuka Circuit, Suzuka City, Mie,
Japan, between 22nd and 24th of November 2024. The Event is organized in accordance with the National Sporting
Regulations authorized by the Motorcycle Federation of Japan (“MFJ”), and the Suzuka Circuit Road Race Standard
Regulations and Suzuka Circuit Endurance Race General Supplementary Regulations, the present Supplementary
Regulations in compliance thereof, under the FIM International Sporting Code.

CHAPTER 1 GENERAL PROVISIONS
ART.1 OFFICIAL TITLE OF THE MEETING
2024 JP250 4 hours Endurance Race
ART.2 ORGANISER
Honda Mobilityland Corporation
ART.3 STATUS OF THE MEETING
Semi-International
ART.4 OFFICIALS OF THE MEETINGThe event officials will be indicated in the official programme.
ART.5 DATE OF THE MEETING
Fri. 22nd Nov.
Verification/Supplementary PracticerdSat. 23 Nov.
Technical Inspection
Sun. 24th Nov.
Qualifying Practice/Race (4 Hours)* The schedule above is provisional and subject to change. Detailed schedule will be indicated in an
official notice.

CHAPTER 2 APPLICATION FOR ENTRY
ART.6 CATEGORY OF TEAMS[Inter-4hours]
Teams whose registered riders include holders of FIM License or MFJ International
License.
If any one of the registered riders is a holder of the MFJ International License,
the team will be registered in Inter-4hours.
Possible combination example: If one rider is a holder of the MFJ International
License and the other is a holder of the MFJ National License, the team will be
registered in Inter-4hours.
[National-4hours]
Teams whose registered riders include holders of MFJ National License only
ART.7 CONDITIONS FOR ENTRIES
7-1
Riders must meet the entry requirements stipulated in Chapter 1, Art. 3 of the Suzuka Circuit
Endurance Race General Supplementary Regulations.
7-2
At the time of entry application, each team must register two riders per motorcycle entered.
7-3
Riders must have a record of having participated in an MFJ-authorized or approved event at least oncein 2023 and before 30th of September 2024. (Applicable only to national riders. A “record” hereinrefers to a lap time recorded at least for one lap in qualifying practice). Otherwise riders must haveridden in any one of sporting practice sessions for over 60 minutes at the Suzuka Circuit International
Racing Course before 20th October 2024.
7-4
In case any rider fails to meet the requirement in Art. 7-3 above, he may participate in the event
only with the special permission granted by the Event Organising Committee.
7-5Classification of licenses set out for each category(1) Inter-4hours: Holders of FIM License, MFJ International License or MFJ National License(2) National-4hours: Holders of MFJ National License (Junior /Freshman /National)
ART.8
ENTRY FEE/PROCEDURE FOR ENTRY APPLICATION
8-1
55,000 yen per entry (incl. tax)
* It includes the fees for supplementary sporting practice and mutual insurance scheme

8-2
8-3

8-4

8-5
8-6

8-7

for pit crews.
MFJ Sports Safety Insurance Scheme is not applicable to a competitor whose sporting nationality
is not Japanese.
Address and Application Period
Suzuka Circuit Race Secretariat
7992 Ino-cho, Suzuka-city, Mie Prefecture, 510-0295 JAPAN Tel: 81-593-78-3405
Business hours: 10:00 - 16:00
Application Period:
Opening Date: Tue, 1st October 2024
Closing Date: Tue, 15th October 2024
For any entry application made after the designated deadline above, the late entry period (for 5days after the closing date) will be set, and any such entry as approved by the race secretariat
only will be accepted with the extra charge of 5,500 yen (incl. tax).
Entries after the late entry period will not be accepted for any reasons.
Entry application shall be made via the following web site:
https://www.1.ms-event.net/szkaweb/
Cancellation fees after the entry application made(1) During the entry application period: 1,100 yen (incl. tax). Administrative handling charge;(2) After the closing date up until 2 weeks prior to the Event (Sun.): 5,500 yen (incl. tax);(3) 2 weeks prior to the Event (Mon.) up until the Event day: Full entry fee (full amount)
All cancellations will incur cancellation charges.

CHAPTER 3 ELIGIBILITY OF MOTORCYCLES
ART.9 ELIGIBLE MOTORCYCLES
9-1
Each category of motorcycles must comply with the JP250 Technical Specifications in Appendix 11of the 2024 MFJ National Sporting Regulations and the Suzuka Circuit Road Race TechnicalRegulations as well as Chapter 2 of the Suzuka Circuit Endurance Race General Supplementary
Regulations.
9-2
Tyres to be used.
(1) Tyres complied with the JP250 Technical Specifications, Appendix 11 under the 2024 MFJ
National Sporting Regulations (for both dry and wet tyres).
(2) Quantity restrictions
QualifyingRace
1 set of dry tyres
1 set of dry tyres *See Note
*Note1) Dry tyres to be used in the race will be marked during pre-start check.
2) Any tyre damaged due to external factors, etc. may be replaced at the discretion of Chief
Technical Steward.
3) No quantity restrictions imposed on wet tyres.
(3) Only the following single make tyres designated by the MFJ below are permitted for use.
Brand
Type
F/R
Product NameSize
FRONT DUNLOP SPORTMAX α-13SP
110/70R17M/C 54H
DRY
140/70R17M/C 66H
REAR DUNLOP SPORTMAX α-13SP
or 150/60R17M 66H
DUNLOPFRONT DUNLOP RACING KR189（WA）
110/70R17
WET
REAR DUNLOP RACING KR389（WA）
140/65R17(4)

When dry tyres are used, each motorcycle must wear the tyres marked by scrutineers.
In case of change in track condition, tyres may be changed.
Engines must be switched off while changing tyres during qualifying and/or race, and noelectric or pneumatic tools may be used.

CHAPTER 4 QUALIFYING PRACTICE
ART.10 QUALIFYING PRACTICE
10-1 Criteria for qualifying time shall be based on each rider’s individual time recorded.
He must have clocked the lap time that falls within 115 % of the fastest rider’s time in his group ofriders to qualify for the race.
10-2 If any one of the registered riders fails to meet the qualifying time mentioned in 10-1 above, the teamconcerned will not be permitted to take part in the race.

CHAPTER 5 MINIMUM NUMBER OF COMPULSORY REFUELING PIT STOPS
ART.11 MINIMUM NUMBER OF COMPULSORY REFUELING PIT STOPS
Each team must make at least 3 refueling pit stops during the race.
The amount of fuel to be replenished is free, but it is compulsory to do the refueling.

CHAPTER 6 PRIZES
ART.12 PRIZES
The following prize scheme will be provided:(1) Inter-4 hours
1st-3rd Trophy(2) National-4 hours
1st-3rd Trophy* The teams should collect their trophies received on the race day. Should they fail
to collect it on the race day, they will be deemed to have relinquished their right toreceive a trophy, whereupon the Race Secretariat may discard or otherwise dispose ofsuch trophy. No delivery at later date will be made.

CHAPTER 7 APPLICATION OF THE SUPPLEMENTARYREGULATIONS
ART.13 INTERPRETATION OF THE PRESENT REGULATIONS
In case of any doubt over the interpretation of the present supplementary regulations or an official noticeor any other rules, an inquiry may be made in writing by a competitor. However, the interpretation ordecision by the Jury of the Meeting made in response to any such inquiry will be final and will be notified
verbally to the parties concerned.
ART.14 ISSUING OF OFFICIAL NOTICES
Any details pertinent to the running of the meeting, instructions to participants, and any otherdetails not covered in these supplementary regulations or arising after the publication thereof will be
communicated in official notices with the following methods:(1) To be sent to the address of the team representative(2) To be posted in the race secretariat office or in the official notice board(3) To be informed during the briefing to be held before or after qualifying or before the race,or otherwise called from time to time as needed.
(4) To be communicated through public announcement in case of emergency
ART 15 POSTING OF OFFICIAL NOTICES
Official notices and/or results will be posted on the official notice board on the premises oron the downloadable page on the web site for the competitors.
*2024 JP250 4 Hours Endurance Race Competitors’ Page
http://apps.mobilityland.co.jp/info/download/1L0Rt4
ART.16 CONTACT ADDRESS OF THE EVENT SECRETARIAT
Race Secretariat, Suzuka Circuit
7992 Ino-cho, Suzuka-city, Mie Prefecture, 510-0295 JAPAN Tel: 81-593-78-3405 (10:00 – 16:00)
ART.17 ENFORCEMENT OF THE PRESENT SUPPLEMENTARY REGULATIONS
The present supplementary regulations shall apply to the event specified in Art. 1, Chap. 1,
and go into effect on the opening date for entry application.