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Discussion Starter #1
I just recently bought the stage 3 hot cans for my carb model yfz 450 2012. The sheet that comes with the hotcams say .040 intake and .060 exhaust???? That’s a lot different from stock clearances. Does anyone know if this is right?
 

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Discussion Starter #2
So I read it wrong. Those number are valve to piston clearance.
But my stage 3s are still a good way out of spec from where the stock shims were. Is this normal?
 

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I'LL assume that they are too large. If that's right it's normal. They don't make the lobe taller, the base circle is ground down
 
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