ATV Florida Forum

General => Tech Corner => Topic started by: BIGBUB9111 on December 13, 2008, 11:19:14 AM



Title: carb jetting
Post by: BIGBUB9111 on December 13, 2008, 11:19:14 AM
i have a 2002 400ex white bros e series slip on and k&n filter and a k&n filter box lid and i moved the needle clip to #4
on the needle and i am 2 1/2 turns out on the f/a mix screw
165 main jet runs better but still poping @1/4 throttle
am i even close or what first time doing this i am at a lost but it is getting better since the last post


Title: Re: carb jetting
Post by: scrimmy on December 14, 2008, 02:58:06 PM
try going up in size on thr pilot jet.   exriders.com is a good place to check your jetting , its a honda website.