Bicycle engine kit, 4-stroke, Middle installation
The kit includes the following parts:
1) 49cc 4 stroke engine with centrifugal clutch
2) Oversized 1 gallon gas tank
3) 48 tooth wheel sprocket with spacer rings
4) Throttle twist grip & matching grip
5) 415 heavy duty roller chain
6) Chain tensioner pulley bracket
7) Gas tank petcock valve & tubing
8) Chrome plated muffler
9) Offset pedal and sprocket pedal