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View Full Version : jetting 160 main?



2001400exrider
05-12-2005, 06:18 PM
im 800-1000ft elevation and have an HMF full system exhaust and a uni-filter and im running with a close airbox lid. i moved my needle clip to the 2nd up from the bottom and air-fuel screw 2.5turns out(is the from all the way tightened or from where its at stock?!) so should i go about a 160 main?

RiderTRX400ex
05-12-2005, 07:27 PM
sounds like a good place to start for the main jet... try it and do a plug check...