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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
B.T.H Magnetos
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<blockquote data-quote="norvinmick" data-source="post: 134236" data-attributes="member: 3958"><p>i have had bth mag on my bsa for as long as they where first made may be 20 years or so when i built the black norvin i changed from mag to bth as the mag is in front and will get wet and cut out so i went to bth no problem with water the only problem i had was wen i put new pistons in i put the coils back in place and wired up one wire the other wire had blue tag on it this is the one you timed the engine on.on the coil it has a arrow with b on it. after about 4 to 6 week the bike wood start easy get up 60 65 mph and no faster. i took mag off done every thing i could the lads were saying change the carbs as i was running gardeners i was thinking about it but sent the mag back to bth they said nothing wrong put it back on run it no good above 60 65 mph after another 2weeks i sorted it it was the lead was on the wrong terminal great now i can have a good burn up. i have fitted a bth mag on my other norvin since 2006 4 plug head the black norvin since 2000 and never let me down .</p></blockquote><p></p>
[QUOTE="norvinmick, post: 134236, member: 3958"] i have had bth mag on my bsa for as long as they where first made may be 20 years or so when i built the black norvin i changed from mag to bth as the mag is in front and will get wet and cut out so i went to bth no problem with water the only problem i had was wen i put new pistons in i put the coils back in place and wired up one wire the other wire had blue tag on it this is the one you timed the engine on.on the coil it has a arrow with b on it. after about 4 to 6 week the bike wood start easy get up 60 65 mph and no faster. i took mag off done every thing i could the lads were saying change the carbs as i was running gardeners i was thinking about it but sent the mag back to bth they said nothing wrong put it back on run it no good above 60 65 mph after another 2weeks i sorted it it was the lead was on the wrong terminal great now i can have a good burn up. i have fitted a bth mag on my other norvin since 2006 4 plug head the black norvin since 2000 and never let me down . [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
B.T.H Magnetos
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