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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: 133843" data-attributes="member: 3625"><p>I thought this thread would be appropriate to discuss a related problem. On my D twin, I find that the C1 clutch drum notches have been worn (notched) from contact with the tabs of the primary friction plate. The friction plate is of the newer type, with bonded, non-segmented linings. The tabs on the plate are worn a bit too. I removed the resulting burrs from the tabs. But what to do with the drum? Should I carefully grind or file the notches or just replace the drum? The bike has some 50,000 miles on it and I'm pretty sure the drum is original. And what of the Lightning type drum? If I went with that one, I assume I'd have to change the friction plate as well. </p><p></p><p>Overall, the clutch behaves very well, after the attention I paid to bushes, plungers etc. The only annoying symptom is that If I come to a stop and then move on a short distance without fully engaging the clutch and then come to a second stop, the clutch drags enough to make neutral finding impossible. If I fully engage before freeing the clutch and then stopping, there's no problem. I'm assuming the primary plate is getting stuck in the wear notches.</p></blockquote><p></p>
[QUOTE="Gary Gittleson, post: 133843, member: 3625"] I thought this thread would be appropriate to discuss a related problem. On my D twin, I find that the C1 clutch drum notches have been worn (notched) from contact with the tabs of the primary friction plate. The friction plate is of the newer type, with bonded, non-segmented linings. The tabs on the plate are worn a bit too. I removed the resulting burrs from the tabs. But what to do with the drum? Should I carefully grind or file the notches or just replace the drum? The bike has some 50,000 miles on it and I'm pretty sure the drum is original. And what of the Lightning type drum? If I went with that one, I assume I'd have to change the friction plate as well. Overall, the clutch behaves very well, after the attention I paid to bushes, plungers etc. The only annoying symptom is that If I come to a stop and then move on a short distance without fully engaging the clutch and then come to a second stop, the clutch drags enough to make neutral finding impossible. If I fully engage before freeing the clutch and then stopping, there's no problem. I'm assuming the primary plate is getting stuck in the wear notches. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Twin clutch . centralizing plunger.
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