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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Lucas KVF Rebuild - UK Recommendations?
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<blockquote data-quote="Steve Marks" data-source="post: 178909" data-attributes="member: 5866"><p>Chris. I did see a magazine article a good few years back where the writer explained how he had ground a face cam to work on a V twin - sadly, I didn't file away a copy! Doh! It does show that it can be done but Lucas never made any face cam twin (V or otherwise) magnetos as far as I know. The body would have to be machined to accept a second pickup of course. It would also be necessary to change the slip ring as the single cylinder ring has a continuous brass band for the pickup brush. The twins would need a slip ring with a short brass segment which passes under one pickup brush at a time. You would also have to accept the best spark/retarded spark situation of course.</p><p>The MO1 magdynos were all face cam single cylinder magnetos. Similar looking twin cylinder magdynos of the same era (separate dynamo clamped on top rather than built into a common body as done on earlier magdynos)) were available for parallel and V twins. They were designated MS something or MN something depending on the variations. They all had ring cam points assemblies.</p></blockquote><p></p>
[QUOTE="Steve Marks, post: 178909, member: 5866"] Chris. I did see a magazine article a good few years back where the writer explained how he had ground a face cam to work on a V twin - sadly, I didn't file away a copy! Doh! It does show that it can be done but Lucas never made any face cam twin (V or otherwise) magnetos as far as I know. The body would have to be machined to accept a second pickup of course. It would also be necessary to change the slip ring as the single cylinder ring has a continuous brass band for the pickup brush. The twins would need a slip ring with a short brass segment which passes under one pickup brush at a time. You would also have to accept the best spark/retarded spark situation of course. The MO1 magdynos were all face cam single cylinder magnetos. Similar looking twin cylinder magdynos of the same era (separate dynamo clamped on top rather than built into a common body as done on earlier magdynos)) were available for parallel and V twins. They were designated MS something or MN something depending on the variations. They all had ring cam points assemblies. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Lucas KVF Rebuild - UK Recommendations?
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