Jetting 00 KDX200 FMF & airbox open

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May 7, 2000
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#1
I just put a FMF torque pipe & Turbine core spark arrestor on. The air box lid is removed also. I would like the best jetting set-up for tight single track trails in Minnesota at a elevation of 1000-1500ft. My current jetting is MJ155,PJ 45,needle #1174 second groove from top,air screw 1-1/2 out.
Should I change the needle to a #1173 or will the #1174 work? I have only run it down the street and it seemed to for OK.
Thanks !!!
Headbanger