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ok fresh start on my 421


steven

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ok starting fresh again on my jetting. I would like to know a good starting point for my jetting. The mods I got are a 421 cheetah cub with cool head and 22cc domes. I also have 35mm pwk with 6inch pods and pre filters. I have T5 pipes and stoke reeds. I got no more money left for some vf3 but I wish I did. I currently have it running on C12 VP race fuel. Oh and +4 timing. Thats all. So if someone can help me out with a good starting point on a rich side of jetting would be greatly appreciated. Thanks!! Oh almost forgot I ride at sea level.

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with little or no porting,i would run 165 mains, 52 pilots and cel needles on the middle clip.but depends how far you are from sea level!

 

 

i ride at sea level. i mostly ride at pismo.

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