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XR250 jetting at 7000-9000 ft

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I just moved from Pennsylvania to Sheridan, Wyoming. There is a lot of riding in the mountains from 7-9 thousand feet. I have a stock motor with gordon mods done. I'm looking for a good starting point for my jetting. If anyone has a setup they like I'd appreciate any info. Thanks.

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Try a 42 pilot and 130 main to start. Try it with the needle in stock (3rd) position and drop it if necessary. Adjust the fuel screw as needed.

Hope this helps. You might be too rich with that main, but its easy to change.

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