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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Concentric Modification
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<blockquote data-quote="greg brillus" data-source="post: 160762" data-attributes="member: 597"><p>My racer 665 single on methanol.........I ran a brand new Keihin CR 39 mm round slide racing carby, with alL the jets and needle valve modified to run on methanol.........On the dyno at 5500 rpm it ran out of fuel.........we opened up the main jet twice and it made no difference at all........put the Gardener with remote SSI float back on and it ran no issue up to the 7000 limit.......albeit on the rich side, so safe........this time i am going back to the CR and running the same SSI float bowl with the innards of the bowl on the CR all removed........this will give it a huge supply of fuel........the CR was putting out slightly more power at 5500 rpm as what the engine gave at 7000 with the gardener on, possibly due to it leaning out, but still.......Probably the best carby out there next to fuel injection.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 160762, member: 597"] My racer 665 single on methanol.........I ran a brand new Keihin CR 39 mm round slide racing carby, with alL the jets and needle valve modified to run on methanol.........On the dyno at 5500 rpm it ran out of fuel.........we opened up the main jet twice and it made no difference at all........put the Gardener with remote SSI float back on and it ran no issue up to the 7000 limit.......albeit on the rich side, so safe........this time i am going back to the CR and running the same SSI float bowl with the innards of the bowl on the CR all removed........this will give it a huge supply of fuel........the CR was putting out slightly more power at 5500 rpm as what the engine gave at 7000 with the gardener on, possibly due to it leaning out, but still.......Probably the best carby out there next to fuel injection. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Concentric Modification
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