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  1. #1
    PWCToday Newbie
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    Superjet 701 Low top speed and revs out at half throttle

    I have an 05 superjet and I took it out this week. It runs perfect at low speeds
    and has good power but doesn't have good top speed and hits the rev limiter at half throttle. It will run good for 5 minutes and then randomly bog down and shut off. It will start back up and run fine again. Any suggestions on what it could be? Thanks

  2. #2
    Frequent Poster Big Vin's Avatar
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    Re: Superjet 701 Low top speed and revs out at half throttle

    spinning the prop at half throttle: wearring or prop is gone, measure the gap between the wearring and prop for us

  3. #3
    PWCToday.com Is My Home Away From Home SxiPro's Avatar
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    Re: Superjet 701 Low top speed and revs out at half throttle

    Check your compression.

  4. #4
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    Re: Superjet 701 Low top speed and revs out at half throttle

    The prop looks like new with some minor dings, I cleaned the carbs and found some water, I am sort of new to watercrafts but when I have it on the stand and rev it up it revs out at half throttle, I was told because there isn't the resistance of the water in the prop that is why it is doing that. Does that sound right? (I will test the compression tonight)

  5. #5
    PWCToday.com Is My Home Away From Home SxiPro's Avatar
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    Re: Superjet 701 Low top speed and revs out at half throttle

    Do you mean that even on a stand or on the trailer if you grab all the throttle it only goes to like half throttle?

    If so, it shouldn't matter if it is out of the water, if you pin it, it should rev to the top of your throttle range (WOT) until it hits whatever rev limit is in your CDI.

  6. #6
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    Re: Superjet 701 Low top speed and revs out at half throttle

    Quote Originally Posted by SxiPro View Post
    Do you mean that even on a stand or on the trailer if you grab all the throttle it only goes to like half throttle?

    If so, it shouldn't matter if it is out of the water, if you pin it, it should rev to the top of your throttle range (WOT) until it hits whatever rev limit is in your CDI.


    Correct, When I start it up on the stand and I pull the throttle about half it revs out like it is hitting the rev limiter. after half throttle if I hold it wide open it doesn't have anymore power just bounces off the rev limiter.

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