2000400EX
04-11-2004, 09:24 AM
Hi guys, I've been tossing around the idea of getting an HMF slip-on for my 400EX. My motor is all stock with stock air box as well. The only thing I have is a K&N with an Outerwear on it. How hard is it to jet for these pipes? I know to test your jetting you need to hold a constant throttle position for a certain amount of time depending on what area of the powerband your testing for, but how long is long enough to hold the throttle in a certain position? I'm fairly mechanically inclined, but have never done jetting on quads before.
Also, have any of you that have the HMF slip-on, ever ridden at Silver Lake sand dunes and past the decible test?
Also, have any of you that have the HMF slip-on, ever ridden at Silver Lake sand dunes and past the decible test?