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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Lucas KVF Rebuild - UK Recommendations?
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<blockquote data-quote="Chris Launders" data-source="post: 177886" data-attributes="member: 2010"><p>It is the front pot with the weak spark, and retarding it to start makes it worse. My spare mag's a manual, I've just assembled it without a cable, so it's on full advance and blanked off the cable hole.</p><p>My 60 degree Brough loses the front spark entirely at kickstarting speed if fully retarded, but ticks over quite happily fully retarded on two once it has started. </p><p>The best it ever ran was when I got it, the magneto was toast so I modified a magdyno and fitted a HD ATD inside with twin points and coils, it would start just by leaning on the K/S and ticked over like one of those stationary gas engines (interestingly that particular model spins the mag the same way as a Vincent, so you can use a HD ATD and points on a Vincent, they are superbly made compared to any other ATD unit)</p></blockquote><p></p>
[QUOTE="Chris Launders, post: 177886, member: 2010"] It is the front pot with the weak spark, and retarding it to start makes it worse. My spare mag's a manual, I've just assembled it without a cable, so it's on full advance and blanked off the cable hole. My 60 degree Brough loses the front spark entirely at kickstarting speed if fully retarded, but ticks over quite happily fully retarded on two once it has started. The best it ever ran was when I got it, the magneto was toast so I modified a magdyno and fitted a HD ATD inside with twin points and coils, it would start just by leaning on the K/S and ticked over like one of those stationary gas engines (interestingly that particular model spins the mag the same way as a Vincent, so you can use a HD ATD and points on a Vincent, they are superbly made compared to any other ATD unit) [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Lucas KVF Rebuild - UK Recommendations?
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