Join Date: Jan 2001
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89 yz250wr overbored 1 mil.wiesco piston
after i rebuilt my top end it seems like now that when i let off the gas it doesnt allways slow down quickly like it should. it should like pop to a slow when you let the gas off so theres engine breaking right away right? mine is more of a slow rpm drop. i dont remember it like this before the rebuild. im still runing a mix of about 18-1 oil/gas right now for the break in. ive tore the carb apart and cleaned/adjusted EVERYTHING in there. could it be the oil gas mixture, jeting, something else? any help would be GREATLY appretiated!