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NON JD jetting on a 03 WR250f

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Bike protection is getting the $$$ first.

Jetting doesn't seem too bad, but want to know a common start point. Most of my riding starts at 1000ft. on rare occasions goes up to 5-6000.

As far as I know the bike's jetting is stock, and also has a powernow (haven't torn it apart yet to see).

03 CANADIAN wr250f, FMF Q pipe, some holes drilled in the side of the airbox.

What clip should the needle be on? ETC... :thumbsup:

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I was testing a Canadian '03 WR250F with Yoshimura exhaust and the jetting is not the same as US models. Your stock jetting per the manual is a good starting point (middle clip position). Increase the main jet by 1-2 steps for the modified airbox. Adjust the fuel screw to about 2 turns from seated.

James

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