Sweet1 Posted August 25, 2012 Report Share Posted August 25, 2012 anyone with jetting 38 pj carbs vs say 39 pwk carbs chime in, it seems the pjs like to be jetted richer then pwks on the same kind of motor? It seems we are way bigger jet wise then we are with the pwks on the same size moter. 3 421s with about the same jetting with 39 pwks vs 10-15 jet sizes bigger with the 38pjs.... Quote Link to comment Share on other sites More sharing options...
ddave81 Posted November 12, 2012 Report Share Posted November 12, 2012 I know it's not totally relevant, but I ran a stock jetted PJ on my CR500, swapped it for a PWK 39.5. Both have 170 mains, and I reduced the pilot on the PWK to a 45 or 46. Quote Link to comment Share on other sites More sharing options...
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