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View Full Version : 300ex summer jeting?



fmftrx300ex
06-19-2008, 06:47 AM
like pretty much everyone else my jeting is off from the temp changes. I have a Fmf Power core 4 full with no spark arestor and no lid. it was dyno jets in it , can i just drop the clip a slot on the needle? its currently to rich, not by much but enough tht it hesitates when u stab the throtle, whats the deal with air/fuel screws? thanks everyone



btw its runing a 128 main jet (dyno jet)