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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Refreshing Vincent Twin Clutch seals and pieces
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<blockquote data-quote="Peter Holmes" data-source="post: 102597" data-attributes="member: 302"><p>OK, rather than putting information on the forum that I believe to be correct as opposed to knowing that I am correct, I made a call to Steve at Maughan and Sons, the clutch seal modification for B + C series Vincent twins is still available, it is possible that when this mod was done by them they might have cleaned the face of the C20 on a lathe to give a smooth surface for the O ring to mate with, this would not have been done to intentionally dimensionally change the length of the C20, but it is possible that in doing so the C20 does in fact become unusable if you want to revert to the C18/1 bonded seal, so in essence Hugo you were correct, in the past I have got round the problem of a too short C20 by having a little material turned off the thickness off the flange, enough to accommodate a decent thickness C19 shim without locking up the clutch centre, alternatively buy a new C20 from Maughan and Son, they are a thing of beauty, almost to good to put a spanner on.</p></blockquote><p></p>
[QUOTE="Peter Holmes, post: 102597, member: 302"] OK, rather than putting information on the forum that I believe to be correct as opposed to knowing that I am correct, I made a call to Steve at Maughan and Sons, the clutch seal modification for B + C series Vincent twins is still available, it is possible that when this mod was done by them they might have cleaned the face of the C20 on a lathe to give a smooth surface for the O ring to mate with, this would not have been done to intentionally dimensionally change the length of the C20, but it is possible that in doing so the C20 does in fact become unusable if you want to revert to the C18/1 bonded seal, so in essence Hugo you were correct, in the past I have got round the problem of a too short C20 by having a little material turned off the thickness off the flange, enough to accommodate a decent thickness C19 shim without locking up the clutch centre, alternatively buy a new C20 from Maughan and Son, they are a thing of beauty, almost to good to put a spanner on. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Refreshing Vincent Twin Clutch seals and pieces
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