MrThumper
09-18-2002, 08:29 PM
Im sure this has been asked a million times beofre but i have a jetting question with my PC T4..i jus installed it on my stock 02 400ex ans was wondering what i should do for jetting....i was thikning of going to a 158 mainjet, but im kindof new to this jetting thing,do i have to buy a jet kit??? ive been told you can just buy jets. thanks and any input appreciated...