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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
won't idle low=too much timing?
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<blockquote data-quote="Magnetoman" data-source="post: 48791" data-attributes="member: 2806"><p>There's just no way to know what the person actually did when he "refurbished" your magneto. The fact the bike worked OK before that, but doesn't after, makes the magneto a principle suspect in this, although the symptoms you describe are not those of classic failure of an original Lucas condenser. But, even if the repairman installed a new condenser, it easily may be one without the necessary specifications to handle the high pulsed currents it is subjected to. </p><p></p><p>Luckily, assuming you have at least one friend, it's easy to eliminate the condenser from consideration. Take the cover off the points and once you get the bike running have your friend watch the points as you move the rpm around from the 1500 where it runs OK to lower speeds where it misses. Your friend should see no more than the hint of pinpoint sparking at the points at all rpm. Any more than that and the condenser is definitely to blame.</p></blockquote><p></p>
[QUOTE="Magnetoman, post: 48791, member: 2806"] There's just no way to know what the person actually did when he "refurbished" your magneto. The fact the bike worked OK before that, but doesn't after, makes the magneto a principle suspect in this, although the symptoms you describe are not those of classic failure of an original Lucas condenser. But, even if the repairman installed a new condenser, it easily may be one without the necessary specifications to handle the high pulsed currents it is subjected to. Luckily, assuming you have at least one friend, it's easy to eliminate the condenser from consideration. Take the cover off the points and once you get the bike running have your friend watch the points as you move the rpm around from the 1500 where it runs OK to lower speeds where it misses. Your friend should see no more than the hint of pinpoint sparking at the points at all rpm. Any more than that and the condenser is definitely to blame. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
won't idle low=too much timing?
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