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Old 12-05-2013, 10:35 PM   #1
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Checkved valves, one was .01mm off; should i change?

Checked valves on Drz400sm;

The two exhaust valves measured: .23mm and .19mm (tolerance is .20-.30mm)

The intake valves were: .13mm and .15mm (tolerance is .10-.20mm).

Should I change out the shim on the .19mm valve? With .05mm shims, I'd assume I could potentially get it to .24?

Is there any harm in leaving it a little tight? Lmk what you think, thanks!
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Old 12-05-2013, 11:19 PM   #2
speed is lovely
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06 650r sold :( / 02 daytona 955i is fat sold/06' Triumph Daytona 675 sold D
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See if u can play "musical shims" and just swap one with the other
I would defently do it on my moto i like it to much not to
Drei zylinder ist nummer ein!!!
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Old 12-06-2013, 05:24 AM   #3
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Valves typically tighten up as they wear. If it's already tight it's going to keep getting tighter.
The range is .2 to .3 so .24 will put you right in the middle.
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