help me

[garett]

i have a 2003 400ex i went riding for the first time in awhile my quad seems to run ok but sum lil white smoke comes out at first and i pulled my plug the threads were black but the tip was a lil white looking could it be the fuel mixture screw? and if where is it at and how do i adjust it please help me

[ReconRider25]

if its cold out and its just warming up thats normal for the smoke. also, a lil more info on the spark plug? if its like a tanning color its perfect.

[garett]

well its 50 out here and it was warm i need help with the fuel air screw . wich way and where is it i know what the plug is supposed to look like