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hi all I had to replace my one way valve in my crf250x 2007 and when putting it back to gether im left with a black thust washer and cant remember where it come from, it wont let me upload a pic, its about 1inch middle and 1and a half wide, also is there only one way to fit the primery drive gear on the starter clutch.
thanks

Assuming you determined where the thrust washer goes?