This kit is the complete kit to convert your stock motor into a powerful open class 117cc engine (much more powerful than the common Chinese 107 and 125cc engines) with tons of torque!
This kit requires case boring!
- Race Head has 25/22mm valves with better porting/flow.
- 51mm Crankshaft with NTN bearings
- Race Head – Large valves (now 25/22mm) and better flow for increased performance. Also has big cooling fins.
- High performance race camshaft
- Lightweight 54mm aluminum cylinder with steel sleeve, cast in mounts for skid plates, and larger cooling fins.
- High compression piston with rings, pin, & clips
- Crankcase and clutch cover gaskets
- Head gasket kit
- Genuine Mikuni VM26mm Performance Carb
- Intake Kit for the Race head
- Jet kit with 3 different sizes (Stock size is a #195 - Extra jets sizes of 155, 165 & 175)
- Throttle Cable
- Dual Layered Foam Air Filter
Exceeds OEM Standard equipment
- Honda Z50 - 1988-1999
- Honda XR50 - All Years
- Honda CRF50 - All Years
- CRF70 - All years
Note: This kit should be installed by a professional mechanic.