CLEARANCE - CJR Stroker Crankshaft - CRF110 Size:+4mm 2019-Current CRF110F

2019-Current CRF110F

CT70 K0-77 Carb Top & Slide Kit

it is worth considering upgrading the rear sprocket from the stock 48T to a new 58T sprocket and chain

OEM Clutch Not equipped in the cover

Yamaha WR250F 17-18

CLEARANCE - CJR Stroker Crankshaft - CRF110 Size:+4mm 2019-Current CRF110FStroker Crankshaft CRF110 IMPORTANT NOTE THESE AFTERMARKET CRANKSHAFTS WILL REQUIRE USING A MANUAL LOCKOUT DUE TO THE DESIGN OF THE ONE WAY CLUTCH. The stock one way clutch during engagement and dis engagement causes an excessive amount of stress on furthest part of the crankshaft and can over time create a weak point which in turn may see a failure with aggressive riding. +4mm Stroker Crankshaft Increases big bore 55mm 132cc displacement to 142cc.