Note: This bore kit only fits the 2006-2017 CRF150F
Direct replacement spoke and nipple kit for rebuilding hubs
your engine
With a different pyramidal shape that features increased volume
TB 108cc Stroker Big Bore kit, Race Head V2 Kit , & Mikuni VM26 Carb Kit – Honda 50cc & 70cc 1988+ Suspension Note: This bore kit onlyTB 108cc Stroker Big Bore kit, Race Head V2 Kit , & Mikuni VM26 Carb Kit Honda 50cc & 70cc 1988+ TBparts 108cc Race Head V2 Kit , 52mm Bore Kit, Mikuni VM26 Carb Kit, & Stroker Crank. Converts the following stock models to 108cc: 1988 and newer Honda Z50, CT70, XR50, XR70, CRF50, & CRF70 Starting with the V2 cylinder heads larger stainless steel (21 4N) valves, better porting, roller cam, and forged aluminum roller rocker arms that allow the engine to