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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
What Carburettor are you using on your racing Comet?
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<blockquote data-quote="Ben Langton" data-source="post: 110435" data-attributes="member: 3796"><p>Thanks for the information and pictures (davidd).</p><p>I barely touched the bike for several months except for the odd start up. About a month ago I pulled the cover off and thought I’m going to give it another go. It started well but did the same jumpy lurching at 1/8-1/4 throttle but seemingly fine everywhere else. I dropped the size of the needle jet and it seemed slightly better but still jerky. I decided it was time to file the slide to try and lean it a little more (now running below standard specs speaking with eurocarb for a similar sized engine?) So I took it down about .5mm and assembled with great anticipation. Well it ran terribly again. I must have had it apart with different set ups 10 times.</p><p>I telephone the rolling road tuner and yet again no call back as promised. I was really hoping to get it sorted.</p><p>So I’ve actually got a Amal R2036 I’m hoping you have some setup info davidd please?</p><p>It’s pretty good shape with a 280 main and 120A needle jet but I’m missing a needle.</p><p>I’m going to get this thing going better, hopefully.</p><p>Thanks again all.</p></blockquote><p></p>
[QUOTE="Ben Langton, post: 110435, member: 3796"] Thanks for the information and pictures (davidd). I barely touched the bike for several months except for the odd start up. About a month ago I pulled the cover off and thought I’m going to give it another go. It started well but did the same jumpy lurching at 1/8-1/4 throttle but seemingly fine everywhere else. I dropped the size of the needle jet and it seemed slightly better but still jerky. I decided it was time to file the slide to try and lean it a little more (now running below standard specs speaking with eurocarb for a similar sized engine?) So I took it down about .5mm and assembled with great anticipation. Well it ran terribly again. I must have had it apart with different set ups 10 times. I telephone the rolling road tuner and yet again no call back as promised. I was really hoping to get it sorted. So I’ve actually got a Amal R2036 I’m hoping you have some setup info davidd please? It’s pretty good shape with a 280 main and 120A needle jet but I’m missing a needle. I’m going to get this thing going better, hopefully. Thanks again all. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
What Carburettor are you using on your racing Comet?
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