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Beveled valve shims
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Crescentius
Beveled valve shims
Got some shims from the local snake oi.... er, I mean rec. parts dealer, which I noticed have little bevels around the edges of both sides, the shims I took out of the bike (78 GS750) did not have these. Is this normal? Are these for a different type fof bucket? Pic of the shim:
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Not sure about the bevel but make sure they're 29.5mm diameter not 29mm. All the local dealers and tech shops around me only had the 29mm shims and still tried to sell them to me for my bikes. Virtually every other make of machine used the 29mm shims. If they are 29mm, don't use them on your zuke as they can potentially be thrown out of the bucket at high revs making a nice mess of your cams.It's smoke that make electronic components work.
Every time I've let the smoke out by mistake, they never work again.
'80 GS250T... long gone... And back!
'86 Honda Bol D'Or... very sadly long gone
'82 GS1000SZ
'82 GS1100GL
'01 Honda CBR1100XX BlackBird
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Crescentius
Yeah, they're definitely zook shims, I measured them with a micrometer to make sure. Just a little weirded out by the bevel action.
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Others with more engine nouse will be along hopefully but personally I wouldn't worry about the bevel. Only the middle part of the shim is in contact with the cam lobe. I didn't look that closely at those I've used before.It's smoke that make electronic components work.
Every time I've let the smoke out by mistake, they never work again.
'80 GS250T... long gone... And back!
'86 Honda Bol D'Or... very sadly long gone
'82 GS1000SZ
'82 GS1100GL
'01 Honda CBR1100XX BlackBird
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BassCliff
Hi,
I've seen a lot of shims, not as many as others, but I've never seen a beveled shim. I think that might compromise the surface tension stiction that helps hold the shims in the buckets. Weird.
Thank you for your indulgence,
BassCliff
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Forum LongTimerGSResource Superstar
Past Site Supporter
Super Site Supporter- Mar 2006
- 35518
- Torrance, CA
I'd use it.Ed
To measure is to know.
Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182
Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846
Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf
KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection
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Forum LongTimerGSResource Superstar
Past Site Supporter- Oct 2006
- 13906
- London, UK to Redondo Beach, California
I've seen a bunch like that. My old 1000g was full of them. The bevel makes them easier to get in and out, so much so that I've run a file round the flat sided ones to simulate this.
Pretty sure for some years this was the stock shim.1980 GS1000G - Sold
1978 GS1000E - Finished!
1980 GS550E - Fixed & given to a friend
1983 GS750ES Special - Sold
2009 KLR 650 - Sold - gone to TX!
1982 GS1100G - Rebuilt and finished. - Sold
2009 TE610 - Dual Sporting around dreaming of Dakar.....
www.parasiticsanalytics.com
TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/
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From what I've seen (and that would be a bunch by now), the Suzuki factory shims come with a bevel on both edges. K&L do not have any bevel. None of the shims I polish have a bevel once the original thickness has been significantly reduced. Ray"Nobody goes there anymore, it's too crowded" -Yogi Berra
GS Valve Shim Club http://www.thegsresources.com/_forum...d.php?t=122394
1978 GS1000EC Back home with DJ
1979 GS1000SN The new hope
1986 VFR700F2 Recycled
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