Valve Shim Calculator for the CRF250R and CRF250X
Honda CRF Valve Shim Calculator
Looking to shim your Honda CRF250R/CRF250X valves to their correct tolerances? Use this valve shim calculator to make the job easy. It's set up with shim specs for the CRF250R and CRF250X but you can change those and use this calculator for the Honda CRF450R and CRF450X as well. At the bottom it has a link to the Hot Cams Shim Kit.
Honda CRF250R - CRF250X Valve Shim Calculator
Inches to Millimeter Conversion:
NEED SHIMS? Below are the Honda part number for shims. You could also purchase the Hot Cams Shim kit listed in our catalog or just click here. You can also purchase individual shims from our OEM parts website at www.yeltrik.com.