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  • High RPM Bog Down

    Hi All,

    2002 RoadStar 1600 with aftermarket intake and pipes with no baffles. I just rebuilt the carb, 37.5 pilot jet and 172.5 main jet, plunger is on the 5th groove with spacer and 2 washers, PMS is set at 3 turns. (all this per the Baron jet kit instructions). It runs fine but when I get into the throttle, it bogs down at high RPM's, like it's lacking gas or air, I don't know which. Any ideas?

  • #2
    are you hitting the rev limiter? The rev limit on a 1600 is set at 4250 rpm. It don't take but a couple seconds to hit 4250.

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    • #3
      I didn’t know there was such a thing. Is it possible to adjust it?

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      • #4
        only by buying an aftermarket ignition module. It is a Dyna 3000 and it will allow you to adjust the rev limit and timing curve. If by chance you could find a 1700 roadstar ignition (04-07) it would raise the limit to 4750 rpm but not adjustable to any other rpm.

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        • Shores
          Shores commented
          Editing a comment
          Hey Dave, I'm sure the answer is no but can I add the 04 to 07 ignition to my 08 fuelie to raise my limit from 4250 to 4750?

      • #5
        Shores, I've never worked on a FI bike so I cant answer that. I do believe that there are aftermarket fuel controllers that can raise it if brought to a good dyno tuner. I would call tech support at Dynojet and ask what they have available and if it is an add on unit that has to be used with the fuel controller or if it is a stand alone unit.

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