03 wr jetting

I am going to install a jd jet kit in my 03 wr450 it has the greay wire, throttle stop mod and no snorkel with a fmf slip on everything else is stock . Should i do the redbeard ap mod and @ what size leak jet should i start with? 0 to 3000 feet 50 to 100 degrees. Now the bike has a bad bog unless you verry slowlu roll on the throttle.

i am doing the ap mod ann6y sugestions where to start with the leak jet?

Check out the jetting section of the performance index sticky. Indy posted some very good jetting specs to start with. They are right on.

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