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  1. #1

    Yamaha SUV Motor swap to newer 4 stroke


    I am new to this forum & to the Idea of Modifying my ski so please donít be offended if my question is remedial. I have a 2000 Yamaha SUV. I am a photographer & use the ski for a shooting platform. The hours are clocking up on the old 2 stroke motor & I am Lustfully wondering if it is possible to put a newer 140 - 160 HP Yamaha 4 Stroke HO motor in my SUV??? If it were possible what would be some of my obstacles?? What would it require? About how much?? Am I looking at?? Is there a better choice than a Yamaha motor in a Yamaha ski?? Any thoughts or insight would be greatly appreciated!

    Does any one know of any motor changes made to a Yamaha SUV????

    Standing by,

  2. #2
    The ski's have taken a "backseat" to the Corvette DarthAWM's Avatar
    Join Date
    Nov 2007
    Odessa, TX

    Those are the two most pertinent conversion threads to your question.

    First off I am going to ask, is the SUV three cylinder 2 stroke? If so I think the motor mounts are a direct sawp to the newer 4-stroke Yamaha motors. you will just need the electronics and a modded drive shaft.

  3. #3
    Moderator OsideBill's Avatar
    Join Date
    Mar 2006
    United States
    The SUV has the older style 65U motor in it. This would require some relocation for the 140 or 160 motor. Plus a lot of work installing fuel system electrical exhaust etc. The only person so far who has tackled this ski is Rapidacelleration with the Seadoo motor

  4. #4
    when you say a lot of work how much are we talking?? Where can I buy a FXHO 140 motor? Carbs, Exhaust, electrical wiring, etc.. About how much $$ (rough ballpark) to complete this conversion???


  5. #5
    Moderator OsideBill's Avatar
    Join Date
    Mar 2006
    United States
    Best thing to find is a wrecked ski it has everything in it.

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