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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Amal Carburettors Dripping Badly
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<blockquote data-quote="greg brillus" data-source="post: 179702" data-attributes="member: 597"><p>The 276 Amals should be pretty good out of the box........align the floats........stand in front of and then behind the bike looking at the carb/bowl angle relative to the engine.........mixture screws wound in fully seated (do not over tighten) then out 1 1/4 turns.......from here adjusting the screws in is rich and out is lean........on opening the throttle from cold it is common for the engine to "Spit back" a little........winding the mixture screw in will overcome this, but it can make the engine run on the rich side, so find a nice balance that allows for a clean pick up without spitting and no more.......best to make small adjustments on a warm but not hot engine thereafter.......take the bike for a short 4 to 5 km run around the block, not after a long run, then return home and make your adjustments quickly........always finish off by checking the carb slides are lifting in sync.... a very common problem with poor low speed running and hunting of the engine as one cylinder fights against the other........Good luck with it all.....Cheers.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 179702, member: 597"] The 276 Amals should be pretty good out of the box........align the floats........stand in front of and then behind the bike looking at the carb/bowl angle relative to the engine.........mixture screws wound in fully seated (do not over tighten) then out 1 1/4 turns.......from here adjusting the screws in is rich and out is lean........on opening the throttle from cold it is common for the engine to "Spit back" a little........winding the mixture screw in will overcome this, but it can make the engine run on the rich side, so find a nice balance that allows for a clean pick up without spitting and no more.......best to make small adjustments on a warm but not hot engine thereafter.......take the bike for a short 4 to 5 km run around the block, not after a long run, then return home and make your adjustments quickly........always finish off by checking the carb slides are lifting in sync.... a very common problem with poor low speed running and hunting of the engine as one cylinder fights against the other........Good luck with it all.....Cheers. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Amal Carburettors Dripping Badly
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