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RFS Jetting at Altitude?
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[QUOTE="katoomster, post: 129890, member: 20219"] Any jetting advice for a 400EXC at altitude (5000-8000 ft). I am coming from 1500-2500 feet, where I have been successfully running an OCEMN #4, 168 main, 1.1 turns out, stock exhaust. This is just a play ride, so I can tolerate fiddling a little as I go, but I would like to get in the ballpark. Right now it is on the edge of rich on really hot days. Any thoughts? I was thinking about going back to the stock DTM needle, dropping the main to a 165, and going in 1/4 turn on the fuel screw. I also have an EMP that I could play with. I just want the thing to reasonably well, so any help is appreciated. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
RFS Jetting at Altitude?
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