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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Misfire
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<blockquote data-quote="David Wardingley" data-source="post: 142959" data-attributes="member: 4511"><p>Hello,</p><p>Interesting thing a misfire and often terribly frustrating. My Norvin is similar in behaviour except my plugs on the rear cylinder ( twin plug heads) are black and very wet, the front cylinder the perfect mid brown. I had to do 20 miles on one cylinder as it simply stopped firing on the cyl. Once the plugs were cleaned it ran perfectly again until I came to an uphill drag where it started again to misfire on the rear cylinder. Once over the crest it came back onto two and ran very well. Someone told me to run hotter plugs in the rear cylinder. I don’t know yet if that has worked as I haven’t tested it but worth a thought. My carbs are Dellorto, ignition is Pazon.</p><p>Regards</p><p>David</p></blockquote><p></p>
[QUOTE="David Wardingley, post: 142959, member: 4511"] Hello, Interesting thing a misfire and often terribly frustrating. My Norvin is similar in behaviour except my plugs on the rear cylinder ( twin plug heads) are black and very wet, the front cylinder the perfect mid brown. I had to do 20 miles on one cylinder as it simply stopped firing on the cyl. Once the plugs were cleaned it ran perfectly again until I came to an uphill drag where it started again to misfire on the rear cylinder. Once over the crest it came back onto two and ran very well. Someone told me to run hotter plugs in the rear cylinder. I don’t know yet if that has worked as I haven’t tested it but worth a thought. My carbs are Dellorto, ignition is Pazon. Regards David [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Misfire
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