i am confused when it comes to this topic? i dont know if i should rejet right now all i have on it is a DG silencer and i run with no air box lid should i reject my blaster or kepp it the way it is.....


if i should rejet what do i do? just main jets or the neddels too can some sotra walk me thouht what i should do if i need to rejet thanks for that help guys

 

Go by the drivability. Does it start cold and hot ok? Does it stumble or miss? Does it hesitate or backfire? Does it idle smoothly?does it break up at high rpm?
You could also look at the spark plug, to get an idea, of rich or lean.
Heres an article on jetting, that lists the signs of lean and rich.
jetting