wr tuning question?

First up i have to say that i dont fly the blue flag i fly the orange flag so this question is for my bro. He has an 06 wr450. Now it has a staintune pipe and aftermarket jets but he doesnt know what size as it was bought this way. Now when you hit the throttle from idle or low revs to quickly the bike stalls. Is this a jetting problem? When the revs are up there is no problems.

Yes... if it quickly stalls, I would say that the bike is not jetted correctly. You definitely need to rejet if you change pipes.

Find the jetting guide at the top of this forum and follow it.

With the correct jetting, it's amazing what you can do with that "Whiskey Throttle"!!! Maniac

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