jasons Posted January 14, 2012 Report Share Posted January 14, 2012 I am in progress of building a dune port 4mm and was curious of jetting. my mods are in my sig. the current jetting was for a stock crank, dune port setup with 30mm OKO carbs. now that i have added a 4mm crank how much will that affect my jetting. Glamis ridden only Quote Link to comment Share on other sites More sharing options...
Surfrjag Posted January 15, 2012 Report Share Posted January 15, 2012 (edited) i would maybe go up 1 on the main and go from there.... also with those oko carbs i always check the float height, they seem to be far off from the factory. have the same specs as a pwk28. i think its 19mm Edited January 15, 2012 by Surfrjag Quote Link to comment Share on other sites More sharing options...
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