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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
What are your thoughts on Spark Plugs for a Twin?
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<blockquote data-quote="Henry Martini" data-source="post: 4539" data-attributes="member: 48"><p><strong>My carb settings</strong></p><p></p><p>OK Stewart, looked inside my carbs to day the settings are :</p><p>32mm Mk 2 carbs with K&N air filters, main jet 190,nedle jet 106, nedle 2A1 set on middle slot,Pilot jet 20 fitted in float bowl,Slide 4 1/2, Pilot air screw 1 1/2 turns out. Pazon Smart Fire Ignition with 36 deg fully advanced.</p><p> These settings are very close to ideal for my bike. I was running 240 main jets, far to rich as I belive are most bikes. I came to the above settings over a period of time reducing main sizes one jet size at a time. I found that changing main jets had a effect on the nedle jet and other settings so as all the books say first get the main right first.I advise caution it is better to have a slightly rich setting than a expensive hole in your piston.By far the best and fastest way to get it right is on a roling road, but you need to find a operator who understands our form of carburation. most only know how to change map settings on on modern electronic fuel management systems.</p><p>I hope this info is of some help to others.</p><p></p><p> Best regards to all,</p><p> Henry Martini</p></blockquote><p></p>
[QUOTE="Henry Martini, post: 4539, member: 48"] [b]My carb settings[/b] OK Stewart, looked inside my carbs to day the settings are : 32mm Mk 2 carbs with K&N air filters, main jet 190,nedle jet 106, nedle 2A1 set on middle slot,Pilot jet 20 fitted in float bowl,Slide 4 1/2, Pilot air screw 1 1/2 turns out. Pazon Smart Fire Ignition with 36 deg fully advanced. These settings are very close to ideal for my bike. I was running 240 main jets, far to rich as I belive are most bikes. I came to the above settings over a period of time reducing main sizes one jet size at a time. I found that changing main jets had a effect on the nedle jet and other settings so as all the books say first get the main right first.I advise caution it is better to have a slightly rich setting than a expensive hole in your piston.By far the best and fastest way to get it right is on a roling road, but you need to find a operator who understands our form of carburation. most only know how to change map settings on on modern electronic fuel management systems. I hope this info is of some help to others. Best regards to all, Henry Martini [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
What are your thoughts on Spark Plugs for a Twin?
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