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2002 Roadster 1600 sluggish - loses power on highwaythis

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  • 2002 Roadster 1600 sluggish - loses power on highwaythis

    So I bought this 2002 Roadstar 1600 4 months ago. For the first couple months it had alot of torque but only up to about 90mph. Then it began cutting out on the highway, fouling plugs over and over and now has no power at all. I hear ticking coming from one cylinder. The first few times I changed the fouled out plugs, the ticking sound would stop for a short while, but start up again eventually.

    I've been told to have carb re-jetted, remove commander, but I'm not sure if this model year has a commander or where it might be located?
    I'm getting really frustrated with this problem and not really sure where to start as I can't really afford to pour a bunch of money into fixing something that is not the problem. Any ideas??

  • #2
    You do not have a power commander on an 02. Do you have an electric fuel pump still on it or has someone removed it? It sounds like the float level is set to high. When you start talking about issues above 90 mph you are getting into a speed range that could be a few things that we don't really test often. Hell you could have a high float level making it rich and fouling plugs at normal speeds and a small main jet that would make a lack of fuel supply to the engine at 90mph. Slow down. lol

    The ticking is normal don't worry about that all these bikes tick by design.

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    • #3

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      • #4
        from Ontario, Canada. Defiantly sounds like a carb issue. Plugs that are sooty fouled mean it's rich, Too much fuel for the air. The jets may be too big, or something else ( float level, shims on the needle, screw settings, etc) are causing to much fuel to go into the mixture. May need a rebuild.
        "It's not the destination...it's the ride"

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        • #5
          What is the air cleaner element like as they will cause the problems you wrote about when getting clogged up.

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