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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Ignition
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<blockquote data-quote="Matty" data-source="post: 26877" data-attributes="member: 1339"><p>PS -Read this in conjunction with my previous reply.</p><p></p><p>Having thought a bit more about a wasted spark system for a Vtwin, I believe it would work with two pulses to the coils from the Rita at unequal intervals to accomodate the 50degree differernce between the two cylinders. The "wasted" sparks for the cylinder not firing would then not happen at 180degrees but would still not do anything to this cylinder which would not be on its compression stroke.</p><p></p><p>Two 6v coils in series should however perform the same as one 12v double ended coil (obtainable from Goff) but my thoughts about one 6v coil and one 12coil in series remain the same - ie. you will have a weaker spark to each cylinder,- though why this causes the tickover speed to change is a bit of a mystery.</p><p></p><p>Matty</p></blockquote><p></p>
[QUOTE="Matty, post: 26877, member: 1339"] PS -Read this in conjunction with my previous reply. Having thought a bit more about a wasted spark system for a Vtwin, I believe it would work with two pulses to the coils from the Rita at unequal intervals to accomodate the 50degree differernce between the two cylinders. The "wasted" sparks for the cylinder not firing would then not happen at 180degrees but would still not do anything to this cylinder which would not be on its compression stroke. Two 6v coils in series should however perform the same as one 12v double ended coil (obtainable from Goff) but my thoughts about one 6v coil and one 12coil in series remain the same - ie. you will have a weaker spark to each cylinder,- though why this causes the tickover speed to change is a bit of a mystery. Matty [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Ignition
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