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when you get a biger pipe or a race head pipe with the rest of the exhaust system are you supposed to rejet the carb? or is that just with hi performance 2 strokes and hi performance 4 strokes???
Run it wide open and see if it spits and sputters if it does it need rejetted alo if you rejet you jet better fuel economy (I noticed it!)
mine needed it and i got a cobra jet pipe and silencer