valve clearance

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09 Dec 2008 08:09 #251606 by Indymick
valve clearance was created by Indymick
Checking valve clearance found #4 exhaust just a smig out about .0005 all the rest were in. Should I mess with one now or wait? 1979 zk650 c3 10,600 miles
1979 KZ650-c3

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  • CoreyClough
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09 Dec 2008 08:59 #251616 by CoreyClough
Replied by CoreyClough on topic valve clearance
A noisey valve is a happy valve. I'd adjust it to give it a little more gap, or rotate the engine by hand and recheck the clearance.
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09 Dec 2008 09:16 #251620 by H2RICK
Replied by H2RICK on topic valve clearance
Indymick:
Is it too tight....or too loose ???

If it's too tight then it's not going to get better, soooo...best get it shimmed properly now rather than later.

If it's too loose, no biggy....unless it's at the top end of the allowable clearances. In that case, it will need shimming.
KZ650C2 Stock/mint. Goes by "Ace".
H2A Built from a genuine basket case. Yes,it's a hot rod.
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09 Dec 2008 09:40 #251621 by Indymick
Replied by Indymick on topic valve clearance
the range is from .08mm to .18mm it is probly .182mm just barely out on that side the others are all close to .15mm I would need the next bigger shim to put it back in range.
1979 KZ650-c3

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09 Dec 2008 13:04 #251636 by timebomb33
Replied by timebomb33 on topic valve clearance
i own a lot of feeler gauges and ive never seen one yet that was accurate to the .ooo5" i'd give it a good hard run and recheck it again. or roll it around a few times and see if it changes it's not tight enough to worry about.
1973 z1 2-1974z1-a,2-1975z1-b dragbikes1015cc+1393cc, 1977kz1000,1978kz1000,1981kz1000j, 1997 zx-11, 2000 z12r,1428turbo nitrous pro-mod and a shit load of parts thats all for now leader sask.,CANADA
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09 Dec 2008 15:42 #251645 by bountyhunter
Replied by bountyhunter on topic valve clearance
Indymick wrote:

the range is from .08mm to .18mm it is probly .182mm just barely out on that side the others are all close to .15mm I would need the next bigger shim to put it back in range.


No worries, dude....B)
1979 KZ-750 Twin

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09 Dec 2008 18:39 #251674 by H2RICK
Replied by H2RICK on topic valve clearance
If it's not a modified engine and/or you're not racing it then I wouldn't worry about that small a difference outside the range. It'll just be noisier than it should....and if you can live with that then everything's okay.:cheer:
KZ650C2 Stock/mint. Goes by "Ace".
H2A Built from a genuine basket case. Yes,it's a hot rod.
GT550A Stock/mint. Pleasant stroker.
2006 Bandit 1200S for easy LD rapid transit
Various H2 projects in the wings.

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