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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Twin clutch . centralizing plunger.
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<blockquote data-quote="Gary Gittleson" data-source="post: 134405" data-attributes="member: 3625"><p>I don't see any appreciable runout in C20. If there were enough to compensate for the C21 problem, I'd guess I'd have some noticeable symptoms since that would throw C13 off center as well. When the clutch is fully assembled, C23 does not inherit the eccentricity. C21 is really quite far off, very visible when it's off the bike just sitting on the bench. I measured the runout of C21 and the center of the circle of 9 holes is about 1mm off.</p><p></p><p></p><p></p><p>I don't think C13 is at fault here. OK. I'm convinced that I should replace C21. I was also worried about vibration caused by the out-of-balance C21. See picture of C21 off the bike below.</p><p>[ATTACH=full]40319[/ATTACH][ATTACH=full]40320[/ATTACH]</p></blockquote><p></p>
[QUOTE="Gary Gittleson, post: 134405, member: 3625"] I don't see any appreciable runout in C20. If there were enough to compensate for the C21 problem, I'd guess I'd have some noticeable symptoms since that would throw C13 off center as well. When the clutch is fully assembled, C23 does not inherit the eccentricity. C21 is really quite far off, very visible when it's off the bike just sitting on the bench. I measured the runout of C21 and the center of the circle of 9 holes is about 1mm off. I don't think C13 is at fault here. OK. I'm convinced that I should replace C21. I was also worried about vibration caused by the out-of-balance C21. See picture of C21 off the bike below. [ATTACH type="full" alt="20210208_192523.jpg"]40319[/ATTACH][ATTACH type="full" alt="20210208_194316.jpg"]40320[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Twin clutch . centralizing plunger.
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