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  1. #1

    Ultra 150 going 45 miles an hour

    Hello every one! I have a 2000 Ultra 150 and having a problem
    The thing has a new motor and has been running great until this weekend. It has been sitting in my dock for about three weeks and i take it out each weekend and ride it, saturday i go out and seems to be running great but i can only get about 45 miles per hour. I put new plugs in and it seems to run the same way. it idles good, no hesitation, starts good! can a guy run some seafoam in it in case there is some water in gas?

  2. #2
    steve45's Avatar
    Join Date
    Feb 2008
    Perhaps a carb slide isn't sliding? What do the plugs look like? Run a compression test.

  3. #3
    plugs looked a little rich but they were not fouled

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