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

Pages:1

needle help
(Click here to view the original thread with full colors/images)

Posted by: hemi400ex

2007 400ex, lid on, k&n air filter, hmf sport slip-on, 42 slow jet, 155 main jet, question is my needle, the 07 is none adjustible, will it be fine as is? if not what can i do and r the jets good for the set up ? any help will be helpful cause i'm doing it in two weeks for a 4 day ride and camp so i need it to be right

Posted by: fullysic 400

Hi,I run almost the same specs,only difference being I have no airbox lid and run a Dynojet needle on the 3rd slot,No bogging down or popping awesome power.Nice colour at the plug etc.