[proper jetting] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs

Pages:1

proper jetting
(Click here to view the original thread with full colors/images)

Posted by: high_flyer_969

http://cgi.ebay.com/ebaymotors/ws/e...TRK%3AMEWN%3AIT

ok, i just got this pipe and i wasnt sure of what jetting 2 use, could ne body give me a proper jetting please. this white bros pro-meg is shortened, has 7 disks in, and the end cap is straight through. the person who had it before me ran a 155 main jet with a 12.5 to 1 piston with a 440 kit and a stage 2 hotcam. right now i have a k&n filter in my 400ex with no mods done 2 the air box. i also have a dyno jet jet kit installed right now, i ride in a low altitude, could u please help me out.

jonah

Posted by: Mobile Dyno

I would start with a Dynojet 155 or 160 main, needle in the 3rd slot from top and 2.5 turns out on the Mixture screw. I have a 170 in my 440ex. That other guy must have been way lean if he had a 440 and was running 155 main

Posted by: high_flyer_969

thank you very much