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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Play in the Clutch Carrier Plate
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<blockquote data-quote="timetraveller" data-source="post: 95584" data-attributes="member: 456"><p>Sorry if I get on to one of my hobby horses here but this part of Vincent design can be improved. The original idea of smothering the gearbox main shaft in sealant in order to stop oil getting into the clutch is inelegant while the unfortunate original seal was inadequate. With the change to the 'D's the end of the main shaft was modified as was the nut, C20, which was an improvement but still not perfect. Machine a small recess at the inner end of the shoe carrier shaft so that an 'o' ring can be fitted inside the end where it buts up against the input to the gearbox. An 'o' ring here only needs about a five thou nip to make it oil tight and this completely stops oil migrating along the main shaft into the clutch. Then one can leave out all types of seal at the clutch end and just get on with adjusting clearances. With this mod one gets dust in the clutch, not oil and when the time comes to remove the clutch for some reason it just slides off the gear box main shaft. One does not have to break the solidified sealing compound.</p></blockquote><p></p>
[QUOTE="timetraveller, post: 95584, member: 456"] Sorry if I get on to one of my hobby horses here but this part of Vincent design can be improved. The original idea of smothering the gearbox main shaft in sealant in order to stop oil getting into the clutch is inelegant while the unfortunate original seal was inadequate. With the change to the 'D's the end of the main shaft was modified as was the nut, C20, which was an improvement but still not perfect. Machine a small recess at the inner end of the shoe carrier shaft so that an 'o' ring can be fitted inside the end where it buts up against the input to the gearbox. An 'o' ring here only needs about a five thou nip to make it oil tight and this completely stops oil migrating along the main shaft into the clutch. Then one can leave out all types of seal at the clutch end and just get on with adjusting clearances. With this mod one gets dust in the clutch, not oil and when the time comes to remove the clutch for some reason it just slides off the gear box main shaft. One does not have to break the solidified sealing compound. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Play in the Clutch Carrier Plate
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