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Post by paulwilf on Aug 10, 2018 19:24:15 GMT
Hi my 1991 600 has developed a real shake at 4000-4500 RPM in each gear. Does anybody else have this problem or know of any causes or cures?
Cheers Paulwilf
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Post by m40man on Aug 10, 2018 20:03:27 GMT
There are not many likely culprits.
First, I'd check that the sprockets aren't worn - especially the front one. Excess wear can create vibes (& knacker your chain!).
If they are both good, next check that the cush drives aren't falling apart or gone terribly hard.
The whilst the rear wheel is off, check that the sprocket bearing is not rough / collapsed, then the rear wheel bearings.
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Post by bobh on Aug 17, 2018 22:03:41 GMT
Also check the tightness of all the engine mounting bolts.
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