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  1. P

    What impeller and intake can I best use for racing?

    thanks Peter J
  2. P

    What impeller and intake can I best use for racing?

    Thanks waxhead & yamah0, Can you also give me pitch for a good working 144 mm impeller? ( for a max. top end speed ) Peter J.
  3. P

    What impeller and intake can I best use for racing?

    Hi, I have a 2002 superjet with the follow specifications: 760 ported cylinder, by JR Magoo's ( wide open exhaust ports) Pro design girdled cool head with 34 cc blowsion domes. 44 mm mikuni carbs with spacer and carbon reeds and fly flame arrestors. Factory B-pipe. MSD enhancer. The...
  4. P

    what impeller and intake?

    Hi, I have a 2002 superjet with the follow specifications: 760 ported cylinder, by JR Magoo's ( wide open exhaust ports) Pro design girdled cool head with 34 cc blowsion domes. 44 mm mikuni carbs with spacer and carbon reeds and fly flame arrestors. Factory B-pipe. MSD enhancer. The...
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