RACER_XXXXXX
06-21-2004, 08:23 PM
:confused:
i am having uble whith my friends 400ex it has a k&n filter with the lid on and a big gun full race system and it has a 170 main jet.
the problem we are having is that when u gun the throttle it starts to studder at high rpm's ,its the worst in 2nd, but if u gradually ease into full throttle it wont studder. also there is no studdering in neutral when u rev it. any advise will help ,thanks
i am having uble whith my friends 400ex it has a k&n filter with the lid on and a big gun full race system and it has a 170 main jet.
the problem we are having is that when u gun the throttle it starts to studder at high rpm's ,its the worst in 2nd, but if u gradually ease into full throttle it wont studder. also there is no studdering in neutral when u rev it. any advise will help ,thanks