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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Layshaft bearing problems
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<blockquote data-quote="greg brillus" data-source="post: 100934" data-attributes="member: 597"><p>You will need to start again, the bearing will be destroyed removing it, at least it is not one of the expensive ones. Try the layshaft into the new bearing to see if it is too tight a sliding fit, if so you might need to linish the shaft perhaps a small amount until you are happy with it. You might want to check the same thing with the opposite end and see if the problem doesn't exist there also. This is not an uncommon problem, and i have found the small timing side roller ET 94 suffers the same result, luckily you can hone the outer race to give clearance, but not the other bearings. A lot of the newer bearings seem to have a much thinner outer race than the originals, and these tend to collapse more readily thus loosing the running clearance....... It can be frustrating, as it can catch you out when you would not expect it to happen.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 100934, member: 597"] You will need to start again, the bearing will be destroyed removing it, at least it is not one of the expensive ones. Try the layshaft into the new bearing to see if it is too tight a sliding fit, if so you might need to linish the shaft perhaps a small amount until you are happy with it. You might want to check the same thing with the opposite end and see if the problem doesn't exist there also. This is not an uncommon problem, and i have found the small timing side roller ET 94 suffers the same result, luckily you can hone the outer race to give clearance, but not the other bearings. A lot of the newer bearings seem to have a much thinner outer race than the originals, and these tend to collapse more readily thus loosing the running clearance....... It can be frustrating, as it can catch you out when you would not expect it to happen. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Layshaft bearing problems
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