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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
New Shadow motor now what do I do?
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<blockquote data-quote="chankly bore" data-source="post: 34956" data-attributes="member: 317"><p>What fuel are you using and what ignition advance? Most of this modern crap burns hotter and needs less advance. I nipped up a Comet probably due to crap fuel. Since using 98 octane, no further problems. Personally, I wouldn't do more than an unstressed 70 m.p.h. for the first 1000 miles. after this mileage maybe start mucking around. One thing at a time, first the silencer, then needle position, then slide cutaway if that does no good. One used to do a "plug chop" at full throttle under load and then work back through carburettor setting; but modern fuel makes plugs hard to read. Handy to know someone with a rolling road and an exhaust gas analyser, I suppose!</p></blockquote><p></p>
[QUOTE="chankly bore, post: 34956, member: 317"] What fuel are you using and what ignition advance? Most of this modern crap burns hotter and needs less advance. I nipped up a Comet probably due to crap fuel. Since using 98 octane, no further problems. Personally, I wouldn't do more than an unstressed 70 m.p.h. for the first 1000 miles. after this mileage maybe start mucking around. One thing at a time, first the silencer, then needle position, then slide cutaway if that does no good. One used to do a "plug chop" at full throttle under load and then work back through carburettor setting; but modern fuel makes plugs hard to read. Handy to know someone with a rolling road and an exhaust gas analyser, I suppose! [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
New Shadow motor now what do I do?
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