Answer
Dec 23, 2025 - 07:29 AM
This engine kit includes:
- 85cc 2 stroke engine with one piece cylinder and head
- Reed valve air intake
- Needle bearing for piston wrist pin
- High performance Speed carb
- Angled LD Z8C spark plug
- Performance magneto
- Stainless steel allen bolts
- Better balanced crank
- Upgraded bearings / 60% thicker crank case around bearings
- Stuffed crank case
- Large intake port (40mm bolt hole width)
- Oversized round exhaust port - 28mm diameter, 60mm stud spacing
- 40mm crank stroke (more powerful, efficient, and reliable)
- Double window piston
- Long rod (89mm)
- Larger 8mm x 1.25 engine mount studs
- High performance CDI with Yamaha components
- Black tear drop gas tank (2L) w/ new fuel cap, fuel valve, fuel filter, and fuel line
- 415 Heavy duty chain with chain guard
- Ball bearing chain tensioner
- Ultra quiet muffler (Stainless steel with sound insulation cotton inside)
- Throttle assembly w/gooseneck style throttle cable
- Twist throttle and cable with matching grip and kill switch
- New quick release clutch handle
- Large front mount for bicycles that have large down tubes
- Available with 36, 44, or 48 tooth rear sprocket
- Spark plug socket tool and gear removal tool
