I need some advice on the jetting for my 85 atc 250r will be running the esr 310 kit with a port job from f.a.s.t racing boysen rad valve 39mm pwk carburetor K&N eliminator kit running a Paul Turner high rev pipe at 925 feet above sea level help??
New to the board
Arm chair racerNew to the board
I need some advice on the jetting for my 85 atc 250r will be running the esr 310 kit with a port job from f.a.s.t racing boysen rad valve 39mm pwk carburetor K&N eliminator kit running a Paul Turner high rev pipe at 925 feet above sea level help??
New to the board
Arm chair racerNew to the board
Also has the race done so will be ran on 110 octane fuel
