'09 KLX250s combo that worked for me

KLX300 DJ kit , KLX300 Twin air filter, KLX300 head pipe and muffler w/o plug.

Lid off the air box . Slide drilled out to 7/64" two coils cut off the spring. Mixture screw turned out 3 turns. Main jet #128. Pulls very hard. I used a combination of instructions for the '09 KLX250 kit and KLX300.

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