qboronyrican Posted March 19, 2008 Report Posted March 19, 2008 my friend has a lt250r and i put a ptr pipe and fatboy silencer on for him and started to re jet it...(he has no clue whaen it come to working on the thing)......at first i put a 290 main and it seemed to run good but the plug looked alittle light colored so i figured it was lean so then i jumped up to a 310 and at wot 1-3 it seemes to be breakin up up top untill wot in 4th then seems to clean out so i fgured it was rich but by looking at the plug it lookes really lean still.........is opening it up 1-4 wot and then killling it and stopping one time enough to get a good reading?????.....temp is about 42-50 degress and im at sea level and he's also 300lbs. if that maters and he's running the entire bike stock except for the pipe and silencer...air box and lid and all......please help!!! am i doing the WOT plug test wrong???? Quote
qboronyrican Posted March 19, 2008 Author Report Posted March 19, 2008 somebody please help me so i can fix this thing for him....some feedback please!!!! Quote
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