free mods jetting

First post so here goes.Purchased WR450 '05 with insert in exhaust removed.

Would like to do grey wire and throttle mod only,do I have to rejet after doing just those two mods?(am quite technical but dont want to fart around with jetting if I dont need to),thanks for advice

First post so here goes.Purchased WR450 '05 with insert in exhaust removed.

Would like to do grey wire and throttle mod only,do I have to rejet after doing just those two mods?(am quite technical but dont want to fart around with jetting if I dont need to),thanks for advice

You should. I have to on my '06 still. But It's probably a good idea.

Thanks Shifty,will have to do the dirty deed I suppose!

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