 Hi, New here! (Carb questions)
I am looking for the jettin gguru. I live in San Antonio, TX. Just finished building a 2005 YZ 144. It was built for race gas. I am currently using VP's C-12. I went up on the main jet to a 420 and dwon on the clip one position. Still seems a little rich.
Now the real issue. I am going to VP's U2. I am already rich, but I am told U2 will lean it out. I need a good jetting marker to start from . I was told that the main and pilot jet would have to be changed, but to what? I never was good at this part.
Thasnks for any help ahead of time.
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Mike
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Thank to Gaerne, No Toil, Steel MX, Twin Air, Racer X, Osiris, and Kent Powersports!!
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