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I've nott been one of the fortunate folks to not have valve problems on my '03 CRF. New air filter every ride and the intake valves keep going south.

I want to order new KW valves but on the intake they list 2 diameters 36 & 37. For the exhaust - 31 & 32. Which ones should I order? Or do I need to waitr until I tear the head down and mic them?

Thanks y'all!

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I just installed them in my bike (05X), my valves went south around 1600 miles. The kit paper work says it's for 01-03 CRF, kit number 30-30640 this includes intake and exhaust valves and double springs, base washers and titanium retainers, bike runs great. Make sure you order the Hot Cams shim kit prior to starting work as the installed hight is slightly shorter than stock, meaning much larger shims are required, that kit is money well spent, get the 9.48mm shim kit.

Bob

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