View Full Version : 2000 400ex
bsniels
10-23-2006, 05:02 PM
Bought used and doesnt seem to be jetted right. It has a white brothers e-series slip on, no lid, k&n and prefilter. What do you guys suggest. How do I change the pilot jet?
A 152K Main jet should be close, might want to get a 150K and 155K for potential variables. A 40 or 42 Pilot jet may be helpful.(K=Keihin).
To change the pilot jet:
http://www.atvriders.com/articles/pilotjet.html
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