This application is for Honda CRF250R/X and CRF450R/X since the calculations require the valve spec values. The valve spec used in the application is .005in for the intake and .011in for the exhaust.
If there are any issues or concerns with the application please leave a review explaining the problem.
- Does not require internet connection
- Easy to use
- Does the calculations for you
- Keeps track of the new shim size when switching tabs
- Lists of honda shim part numbers
*Shims can be purchased from an online store using the part
numbers listed. Motosport.com works well.