HYPER HEAD BORE-UP KIT 88CC, FOR CRF50/XR50

-

All in one bore-up 88cc kit for HONDA CRF50/XR50 type engines.
・Big fin cylinder
・High-compression 11.0 : 1
・Big valve ( Intake φ25 , Exhaust φ22 )
・High-camshaft
・Piston 52mm

Recommend carburetor : PE24/PC20　
（ PE28/26、CR-MINI、VM26、YD28/24 also can be installed )

-

-

-