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carlloktm

Yamaha wr 426 hotcam

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Hi everyone

I'm wondering if it's worth fitting a stage 1 exhaust hot cam to my wr?

Apart from the auto decompression will there be any power gains ?

Also will I need to re shim the valves ?

Appreciate any help

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Probably get a little more top end. Definitely you need to check or shim the valves.

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