Product: 2 Stroke 80cc Gas Bicycle Engine Kit PK80 Bike Motor Kit Gas Motor Kit-Gas Motorized Bicycle 66cc/80cc
Brand: DONSP1986
Specification:
1).Gasoline motor: silver 80cc, Engine Type: Single cylinder, air-cooled,2-stroke 
2).Ignition: D. I. Ignition magnetos non-contact induction power storage 
3).Max. Power(kw/rpm): 80cc: 2.5/6000 
4).Mixing Ratio of Fuel(90#) and Engine Oil: 16: 1 for New sets, 20: 1 after Running 500Km 
5). BorexStroke: 80cc:47mmx40mm. 
6) Fuel consumption: 2-3 liter gasoline/100km 
7).Max safe speed:45km/h 
8). Fuel tank: 2 L 
9). Net weight: 11.5kgs 
10).Gross weight: 12kgs 
11). Packing size: 42cm*42cm*17cm 
12). NT Carburetor 1set 
13): NEW chain tensioner with 4 bolts 
14): 36T sprocket 
15): Spark Plug M4X1.25 

Bicycle Engine Kits including as follows parts: 
1).gas motor 1 pc Spark Plug 
2).2L Black Fuel Tank 1set 
3). chromed Exhaust Pipe 1pc 
4).Chromed 36 Teeth 9 hole Sprocket 1pc 
5).Clutch Lever 1pc 
6).Throttle handle With Kill Switch 1set 
7).415 Heavy Chain 1set 
8).Sprocket Install Kit 1set 
9).Chain Guard 1pc 
10).Clutch Cable & Accelerator Cable 1set 
11).Excluding :Bevel Gear Remover Tool,Manual and Universal Mount as well.
12).Spark Plug 1set 
13).CDI Ignition 1set 
14).Tool Kit 1set 
15): NT Carburetor 1set 
16): NEW chain tensioner with 4 bolts
EXCLUDING:Bevel Gear Remover Tool,Manual and Universal Mount neither
, BORE and STROKE 47mm*40mm, the spark plus is packaged together in one plastic bag with gas tank cap and U mount.
HIGH hole Piston and Long connecting rod;Wide front mount; 8mm bolts to front and rear mount;Allen bolts on motor;Slant head; 40mm alum intake stud spacing
Clear up the cylinder transfer ports before assembling maybe some rough slag inside which maybe break off and cause the jamming of pistons and cylinders; Attention on piston ring if put the piston out of cylinder, the piston rings are weak, better with right way install piston kit to cylinder.
Fully attention on screwing cylinder to the end bottom,DO NOT screw M8 bolts tightly that maybe cause drill through the end bottom so add some gasket or washer on head is better way to prevent it happen

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