June 18, 20224 yr Hi ! New Sherco new problem First , the exhaust melt my hose ! The keihin is very close ! Maybe can i use adesive termal protection on the exhaust? Second, when the bike is "hot" it restart only with full open throttle 😕(3/4 kicks) . Is full stock Idle jet 45 Needle JJH Main jet 125 Thank you so much !!
June 19, 20224 yr I think that the "melted" overflow pipe is in fact a hole cut there on purpose to stop the pipe syphoning fuel from the carb. Poor starting = clean your pilot jet - again. Reset tickover speed.          p
June 19, 20224 yr Author the exhaust had burn the hose Is brown New jet the bike works very well, i stop the bike ...same problem. Now i put a fuel filter , reclean the carb and i test
June 19, 20224 yr The hose- it is a vent hose for the kehin. yes it will allow fuel to drain if bike is tipped over. I use tygon fuel line there, it is yellow color, can be found at places that repair chain saws, i use smaller hose. can be pulled tighter to not contact exhaust, my hose goes under kehin,end of hose it wedged in front of clutch slave cylender on left side of engine, secured with a dab of glue. pardon my spelling mistake-s  - It is best to remove carb unassemble and clean with electronic cleaner in spray can. do NOT use carb cleaner it melts rubber parts.
June 21, 20224 yr Author Thank you ! I search a little fuel line like your Now with a new jet the carb work better !  I put a fuel filter
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