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  1. #1
    PWCToday Newbie
    Join Date
    Aug 2017
    Warwick ny

    650sx bogs and heats up when in water. Runs great on hose.

    It's an 88 650sx. When I put it in the water it will start and idle normally. From idle will take off but instantly bog back down as if it's starving for fuel. Pretty much won't run above idle. Also it gets much hotter than when it's on the hose. Any ideas. Ive played with high and low end on the carb with very little if any change at all. Compression is 125 in both cylinders which I've read is pretty normal for an older ski.

  2. #2
    PWCToday.com Is My Home Away From Home Myself's Avatar
    Join Date
    Jun 2006

    Re: 650sx bogs and heats up when in water. Runs great on hose.

    How does the pisser look while running in the water. Good steady stream or spurting on and off?

    '89 Kawi 650SX 42.4 GPS
    +3" stock pipe, ported ex. manifold, drilled waterbox, blueprinted pump, Ocean Pro ride plate

    '99 Yama GP1200 65U 61.8 GPS
    ported cylinders, matched cases, milled head, blueprinted pump, long ride plate

    '96 Seadoo HX 717 53.13 GPS
    light porting, massaged cases, lightened flywheel, port matched manifolds, Rossier pipe, stubby pump cone

  3. #3
    PWCToday Guru jetpump21's Avatar
    Join Date
    Feb 2008

    Re: 650sx bogs and heats up when in water. Runs great on hose.

    have you had the ski apart? if you mix up the water lines it will fill the exhaust with water and choke the motor out as well as make the ski overheat because there is no water coming into the block!
    08 sxr ,bored nozzel, wet wolf freestyle cone, rideplate with d cut , solas dynafly
    05 Ultra 150
    92 750 x2

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