Ron Black / RB Designs head modification...

longshore58

Member
Dec 31, 2008
92
0
Hey Folks,


What is the primary performance advantage/s in getting this head modification done on a 1991 E-Series KDX-200.

Already has FMF K-14 pipe / FMF silencer / V Force Delta 2 reed system / Fredette Torque ring / airbox lid removed.

I know a good many people sugeest it as a cream of the crop modification for these bikes.

Advice or comments are much appreciated..
 
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