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Thread: 2005 ultra 150

  1. #1
    DILTS's Avatar
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    2005 ultra 150

    I finally had a little decent water to ride in this weekend. 01 ultra ran great, 03 STXR ran great, 02 Ultra ran great, 05 Ultra very sluggish on take off. I didn't have time to even take a look at it so I am looking for suggestions on what could be causing this. Engine is stock, it does have the stinger mod, but i did calibrate that to make sure no water is coming in before 3000RPM. Just looking for ideas for when I have time to work on it.
    On another note after the mods to the STXR in two foot chop i did manage to add 2MPH to her, but i think there is more if I had better water and that was with a full tank of fuel. She did GPS at 64.1


  2. #2
    steve45's Avatar
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    Clean or replace the spark plugs.

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