143cc Big Bore Kit - 2014-Current CRF125F/FB chinese Please select your correct model

Please select your correct model from the drop down menu

We've increased the thickness of the aluminum side plates and given it a modern look with see through cutouts

Rear Shock w/ Adjustable Compression & Rebound

Includes OE style fuel line clamps

This system is NOT compliant with the California Environmental Protection Agency (E

143cc Big Bore Kit - 2014-Current CRF125F/FB chinese Please select your correct model143cc Big Bore Kit by Rad Speed & Design (56mm Bore) Fitment: 2014 Current Honda CRF125F & CRF125FB Kit Includes: OEM Quality 143cc Cylinder 56mm Wiseco Forged Piston w hardened anodizing and Teflon coated skirts Wrist pin and clips Piston Rings NGK Spark Plug Cometic Gasket Kit Options: 11: 1 Compression ratio piston (91 Octane Pump) 13: 1 Compression ratio piston (104 Octane+ Race Gas) Serious fun for the small bore. Proudly made in the USA! Please