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  1. #1

    Join Date
    May 2015

    Seadoo Sportster 155hp 4-tec loss of power when turning left

    I have a 2005 Seadoo Sportster 155hp 4-Tec that I have on for two years with no problems. The boat is all stock with no modifications except for a stainless Solas concord impeller, which was installed on the boat when I received it. My boat usually runs around 7000 RPMs at full throttle. Today when I took the boat out I noticed that every time I turn the steering wheel even slightly to the left the boat acted as if I was at half throttle. As soon as I turn the steering wheel to the right the RPMs jump right back up. The impeller looks good and the wear ring looks good. I don't know where to start with diagnosing this problem. Any help would be greatly appreciated!

  2. #2
    xintersecty's Avatar
    Join Date
    Apr 2013
    West Union, SC
    Check your pump first and the steering nozzle. Make sure there is no obstructions and it's mounted correctly.

  3. #3
    SARTYSRNR's Avatar
    Join Date
    Apr 2008
    n.s., canada
    Make sure that your reverse gate is locking in forward.Seen this happen a few times usually that is the cause.

  4. #4
    Premix's Avatar
    Join Date
    Mar 2014
    Pt Pleasant NJ
    This is partially normal. You can expect this to happen to some degree, but probably not as much as you describe. Is your engine low on compression?

  5. #5
    R-Doo's Avatar
    Join Date
    Sep 2006
    Would a broken motor mount do this?

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