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  1. #1

    Cool 2002 Yamaha 1200R

    My 2002 Yamaha 1200R Jet Ski will not get over 45 mph. I just purchased it and it only has 42 hours on it and runs good. It just won't go fast. I have a 2000 1200R Millinium Edition that will go over 65 mph - so that's what I'm comparing it to.

    Is this thing supposed to be slow or do I have a problem w/ this Jet Ski? If I have a problem, where can I start to figure this thing out? What can I check?


  2. #2
    Tennessee's Avatar
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    Might want to ask this in the 2 stroke section. But you for sure have something wrong. Start with the basics first like compression check, fresh gas and new plugs.
    Quote Originally Posted by Constance View Post
    My 2002 Yamaha 1200R Jet Ski will not get over 45 mph. I just purchased it and it only has 42 hours on it and runs good. It just won't go fast. I have a 2000 1200R Millinium Edition that will go over 65 mph - so that's what I'm comparing it to.

    Is this thing supposed to be slow or do I have a problem w/ this Jet Ski? If I have a problem, where can I start to figure this thing out? What can I check?

  3. #3
    100 MILES OF HEAVEN AND I AM SMACK IN THE MIDDLE KEYZBUM's Avatar
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    are the power valves working??
    4500 sounds about right with non working power valves....
    mattman

  4. #4
    gp1200rrk's Avatar
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    what kind of rpm's is it turning at 45 mph?

  5. #5
    Is it almost winter yet??? ProXR 440's Avatar
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    Is 45mph what the speedometer is telling you or do you have a gps? The only reason I'm asking is because you say it "runs good". If you think it run's as good as your '00 but the speedo is only saying 45mph there might not be anything wrong with the ski besides a junk speedo.

  6. #6
    Moderator RX951's Avatar
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    welcome to the forum

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