What model and model # jet kit to by for my 05 wr 450f. Will do the free mods this weekend! How hard is it to do the rejet myself.... Any advise you would give to a first timer...thanks

The jet kit (JD) for the 05 is the same as the previous years. Just go to the JD Jetting site or the store here and order it.

It took me about 30 min to do mine. That included loosening the carb so I can turn it to access the bottom, and getting that little cover off the hole where the air/fuel screw is.

Do a search on here (this forum) for free mods and there some posts with pics.

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