Harold Bawlzangya Racing

Jetting specs

Jetting Update:

I got this JD jet kit on eBay.  All my other jets are the same, but I’m using the Blue @ #3 for summer riding.  I assume that during the winter I’ll need to got to Red @ #4.


The range of places I ride vary between 700 and 1000 feet in elevation.

During the summer, the below jetting was a little rich, but during the winter months it is nearly perfect.  This jetting is for a AirStriker carb using a KX airbox (the KDX 200 motor is in a KX frame).

#7 slide

DEK needle, 2nd clip from top

40 slow jet

155 main jet

Based on year and temp, air screw  anywhere from 1 to 1 1/2 turns outs.

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