January 30, 200620 yr hi.does aybody recognise these symptoms of poor running on a 1997 315r. the engine will always start from cold but not so reliable from hot and it idles away with no problems.however on a constant quarter throttle it sounds and feels as if the choke is on although it isnt.any where beyond this amount of throttle seems fine but the silencer runs very hot after about 2 to 3 mins of running time.it also gets slightly worse when it is being ridden.the carb and silencer have both been removed and cleaned with no positive results.can anybody suggest a possible cure as i am now out of ideasnot being familiar with trials bikes this being my first one.this is now driving me mad with frustration.aagh.
January 31, 200620 yr Author the bike is running standard jets and i ride at what i would say is an average altitude.not excessively high or low.will double check the jet sizes though.
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