■Hyper S-Stage Bore Up Kit 88cc / 106cc（MIKUNI VM22）
For 6V / 12V Monkey・Gorilla

The popular “Hyper S-Stage” light Bore up Kit with MIKUNI VM26 carburetor.
The Hyper S-Stage include the S-Stage Bore Up Kit and MIKUNI VM22 carburetor Kit, air ﬁlter, spark plug and drive sprocket
are added in. ※Cannot be used with any other head than a stock head.
There are 2 types of Hyper S-Stage 88cc Kit（12V）, Standard type and eco type.
Compression ratio：Standard type 11.5：1 eco type 10.5：1
There is a patent-protected SCUT series that you can Bore Up Kit to 106cc with stock crankshaft.
The three types of cylinders include a sensor attachment port in which you can install our original LCD thermometer.
(Each cylinder require diﬀerent type thermo sensor. )・H type cylinder (w/ M5 type thermo sensor): Steel sleeved aluminum cylinder has great heat transfer.
・V Cylinder (Stick Sensor ready): V Cylinder is designed with ﬁns on all 4 sides, of which 2 sides use horizontal ﬁns.

01-05-0047（6V/Hレッド cylinrder）

01-05-0055（12V/V cylinrder/eco）

NameApplicable model
Item number

Hyper S-Stage Bore Up Kit（MIKUNI VM22）
6V Monkey・Gorilla（2.6ps）（Z50J-1000001〜1510400）
88cc H cylinder 01-05-0047
88cc V cylinder 01-05-0048

Name
Applicable model
Item number

Hyper S-Stage Bore Up Kit（MIKUNI VM22）
6V Monkey・Gorilla（3.1ps）（Z50J-1600008〜1805927）
88cc H cylinder 01-05-0049
88cc V cylinder 01-05-0050

Name
Applicable model
Item number

Hyper S-Stage Bore Up Kit（MIKUNI VM22）
12V Monkey・Gorilla（Z50J-2000001〜 / AB27-1000001〜1899999）
88cc H cylinder / Standard type 01-05-0051
88cc V cylinder / Standard type 01-05-0052
88cc H cylinder / eco type01-05-0054
88cc V cylinder / eco type01-05-0055
106cc SCUT cylinder01-05-0053

01-05-0053（12V/SCUT cylinrder）

■Graph of power output

7※To prevent the engine from getting damaged, keep speciﬁed rpm range.
※Tested at the condition of our test facility,actual power may vary.

SAE Power（PS）

6543

2

1234567
RPM（x1000）DYNOJET

8910■Hyper S-Stage＋D SCUT106cc（MIKUNI VM22 caburetor）＋Basic exhaust system■Hyper S-Stage 88cc（MIKUNI VM22 caburetor）＋Basic exhaust system■Stock engine＋Stock exhaust system■Optional parts

Z Style exhaust
レッド system

Name
Applicable model
Item number

Basic exhaust system

BOMBER（Stage-3）exhaust system

Exhaust system
Monkey・Gorilla（Z50J-1300017〜/ AB27-1000001〜1899999）
Z Style exhaust system
04-02-2301
Basic exhaust system
04-02-2304
BOMBER（Stage-3）exhaust system 04-02-1800

It is diﬃcult for the engine, if tuned, to suﬃciently transmit the power to the drive gear with a stock clutch because of theclutch slippage. In order to improve the transnission eﬃciency, we designed the clutch of this Kit to comprise three disks andincreased the spring rate.
Name
Applicable model
Item number

Heavy-duty centrifugal clutch Kit
6V Monkey・Gorilla（Z50J-1000001〜1510400）
02-01-0016

Name
Applicable model
Item number

Heavy-duty 3-Friction disk type manual clutch Kit（Primary reduction gear ratio will change from 16/69 to 18/67）
6V Monkey（Z50J-1354719〜 for manual clutch）12V Monkey・Gorilla（Z50J-2000001〜/AB27-1000001〜1899999）
02-01-0217

Name
Applicable model
Item number

Heavy-duty 3-Friction disk type manual clutch Kit6V Monkey・Gorilla（Z50J-1600008〜）
12V Monkey・Gorilla（Z50J-2000001〜/AB27-1000001〜1899999）
02-01-0203