jetting a YFZ????
ok so i have an 07 yfz 450 and i just bought a curtis sparcks pipe, (complete) i want to know what would be a good mainjet size to start with because i want to go ridding and i dont havea filter or anything i just want to here the pipe .... i just want somewhere to start the jetting so i can go riding without busting the motor ... what are you guys running in your bikes and your mods???
thanks guys sled_ed 300ex
E.C. performance :
grey/red yfz450 protaper,powermadd,sparks,k&n,ims\roll,itp...bomb squad ..!!
black/yellow 416ex web,sparks,wisco,ac,protaper,k&n