Valve Clearance help

3 replies to this topic
  • Yamaha4lyfe

Posted August 09, 2007 - 04:20 PM


help me plz!

Hey im just doin a routine valve check. but i ran into something wired..

i got this reading.

Exhaust left :.012 Exhaust right: .012
.305 .305
mm mm

then for intake left to right

.006 .004 .006
.152 .102 .152
mm mm mm
its wired because when i last checked it about 30ish hours or so all intakes were
.124 mm and the exhaust were .229mm

i don't get it, aren't valves supposed to tighten when they get worn? the bike is not that old it only has like 8 mx hrs on it and like 40ish trail riding hours.

  • grayracer513

Posted August 09, 2007 - 04:35 PM


Both measurements taken cold?

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  • Yamaha4lyfe

Posted August 09, 2007 - 05:23 PM


yes they were

  • grayracer513

Posted August 09, 2007 - 07:52 PM


Check them again, and be particularly careful about the position of the crank.

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