Posted July 12, 2005 - 06:29 PM
First let me say im a new member this site is great.I have a 05" WR450.MY MODS are snorkel from air box,throttle stop,gray wire & "DR D" race pipe With spark arrestor,scary fast power plus system,zip ty fuel adjuster.Im wondering that my bike is probably lean at this point& it backfires when I roll out of the throttle at HI rpm.Will this AIS mod help this problem??MY stock jets are#45pilot¥main.Ive purchased a #50pilot¨main.My elevation here in New Mexico is 4200ft,Temp is 90degrees plus.I appreciate any tips&advice.. Thanks Russ.....Team PTR!!!!