yfzkyle Posted October 3, 2008 Posted October 3, 2008 ok i have a 06 yfz450 with a sparks exhaust, cam mod and k&n filter kit rite now its jetted at 165main 45 pilot and 2.5 turns on mixture screw and on the 4th clip it sputters and bogs what can i do to make it run better any help would be much appreciated. Kyle Quote
84gibb Posted October 3, 2008 Posted October 3, 2008 Kyle, Try upping your main to a 175 with the airbox lid off (stock needle???)If so , get a gytr needle. GOOD LUCK!!!!!!!!! Quote
yfzkyle Posted October 3, 2008 Author Posted October 3, 2008 should of said i have the gytr jet kit no air box lid and ive tried the 175 main wayy to rich and bogs even worse Quote
BigBoreVegas Posted October 3, 2008 Posted October 3, 2008 (edited) should of said i have the gytr jet kit no air box lid and ive tried the 175 main wayy to rich and bogs even worse There are way too many problems with jetting on the yfz450's, i would just sell it and get the new fuel injected one............ Just Kidding Good Luck. Make sure its ready for halloween Edited October 3, 2008 by BeerMeNow Quote
White Rhino Posted October 3, 2008 Posted October 3, 2008 do a search for jetting YFZ this has been talked about Quote
White Rhino Posted October 3, 2008 Posted October 3, 2008 ok here you go, look hereYFZ 450 Jetting Quote
yfzkyle Posted October 4, 2008 Author Posted October 4, 2008 awsome thanks white rhino and beermenow loan me the money and i will go get one Quote
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