mark118 Posted May 24, 2010 Report Share Posted May 24, 2010 hello there my beta 270 has a annoying running problem. when i want to go up a climb if i blip the throttle at the bottom of the incline it sort of restricts or doesn't rev up cleanly if i shut off and then feed it through gently it runs fine, but by then i have lost the momentum. this is the only time i get this problem. i have new plug, filter, oil, run on 60/1 fuel mix. any suggestions would be very grateful, many thanks mark Quote Link to comment Share on other sites More sharing options...
dan williams Posted May 25, 2010 Report Share Posted May 25, 2010 OK what year bike? Mikuni or Keihin carb? How long on set of rings? Stock jetting? Stock reeds? Type of fuel? (race gas, pump gas, av gas) Type of oil? Gotta have some specifics. In general it sounds like jetting. 60:1 is pretty rich for any synthetic in a trials engine. A broken reed will cause this kind of bog as will a plugged pilot jet. First step I would suggest is a disassemble and clean of the carb. Did this just start or has it been a long term problem? Quote Link to comment Share on other sites More sharing options...
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