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Jetting help!!! i need it!

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i have a 01 honda xr 250 and i am goin to go riding in a couple of weeks to flagstaff where it's around 7000 feet elevation. i was wondering what i should jet it to to get the best performance? all i have on it right now is a billet exhaust tip. if that helps any

Thanx

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If you haven't removed the snorkel from the airbox, do it. That should lean it out somewhat... probably enough that it will run fine. After you come back from the trip, just leave the snorkel off and readjust for your current elevation. If you don't readjust, it will probably be running a bit lean at your current elevation.

Another thing you can do, without actually changing the jetting, is to use lower octane gas. This has a similar effect on the burn as running lean. I use that trick when I go to higher altitude.

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