slowpoke36382 Posted February 3, 2013 Report Share Posted February 3, 2013 hey guys need some help jetting my 421 serval. I have dmc 916's, K&N pods with outerwear and 35 mm pj carbs at sea level. The throttle is kind of flat before it winds up and I think it is the needles that need adjusting. I have 160 mains, 52 pilots and the needle says "CGL." Not sure if the needle is aftermarket or keihin...Any help is appreciated. Quote Link to comment Share on other sites More sharing options...
slowpoke36382 Posted February 3, 2013 Author Report Share Posted February 3, 2013 Also, if I were to upgrade my carbs what would be a good choice with my setup? Quote Link to comment Share on other sites More sharing options...
theneil Posted February 3, 2013 Report Share Posted February 3, 2013 Get 35 pwks thats what i got on mine. i have 162 m/35 p CEL needle but i also have pwk air strikers which have a richer idle circuit. buy a grip of spark plugs and cut them up you can do 1/4 throttle chops too Quote Link to comment Share on other sites More sharing options...
SpeedRacer88 Posted February 3, 2013 Report Share Posted February 3, 2013 i got a set of 35pwks i can sell Quote Link to comment Share on other sites More sharing options...
SpeedRacer88 Posted February 3, 2013 Report Share Posted February 3, 2013 i never heard of 35mm pj they are probabl 35pwks Quote Link to comment Share on other sites More sharing options...
slowpoke36382 Posted February 3, 2013 Author Report Share Posted February 3, 2013 They have pj stamped on them. how much you want for them speed racer? Quote Link to comment Share on other sites More sharing options...
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