Steve1984 Posted September 19, 2020 Report Share Posted September 19, 2020 I've recently bought a 270 Rev 3, 2005 I believe, it rides great and has plenty of power for a novice like myself ? But it seems to take a few good kicks to start, last time I was out on it we swapped a plug to get it going then it ran OK on the original one. Trouble is the plug was very black like its running rich, took the carb apart earlier and it looks like the float height has been set lower (to lean it out I'm guessing) It's only my 3rd time on a bike but a couple of times going down steep hills the engine stalled. Any thoughts on it? Quote Link to comment Share on other sites More sharing options...
misscrabstick Posted September 22, 2020 Report Share Posted September 22, 2020 yes, a low float height could well cause a stall downhill, suggest set carb to original specs including checking all jet sizes, and needle height, also replace the float valve. Quote Link to comment Share on other sites More sharing options...
dan williams Posted September 23, 2020 Report Share Posted September 23, 2020 Yeah original float height but 27.5 pilot jet. The Betas are prone to stalling on downhills due to the angle of the carb. The price you pay for running stronger on uphills. After a while you just get used to blipping the throttle going down steeps. Quote Link to comment Share on other sites More sharing options...
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