shims size?

i just bought the yz450 exhaust cam for my wr-400 1998

do you now what size of shims do i have to order from yamaha

i want to save some time antil i will get the cam


The instructions say you will need shims .1-.2mm thicker. The problem is without knowing what is currently in your bike you won't know what to buy. You are going to need to install the new cam, take a reading, and use the chart in your manual to get the correct shims. I got lucky the local dealer stocked the ones i needed.

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