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Hard to start

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I have a 04 WR 450 and it's getting hard to start after its warmed up. I checked the valve clearance and the exhaust was .23, .23, .28. The specs call for .20-.25 so I changed one exhaust valve to .23. The intake calls for .10-.15 and mine are .13, .10, .10. My question is should I change the two .10 intake valves to .15? The bike is getting hard to start after its warmed up. Any help out there?

 

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The specs for the intake valves are .10mm - .15mm. Mine are .13 .10 .10 . Should I shim the two .10 valves to .15?

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