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  1. #1
    99xp's Avatar
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    Jul 2014
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    western new york
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    No fuel to first cylinder

    I just bought a pair of 99 seadoo xp ltd's and one runs amazing. The other one isnt getting any fuel to the first cylinder making it run only about 15 mph on the water. I was just wondering if yall think its something with the fuel lines, carbs, or fuel pump or what not. a buddy of mine and his dad came to look at it and they said it was the carbs dumping or the fuel lines we all mixed up. Just wanted some input before i dive into trying to fix this. If you have how to's to any of these thatd be helpful. Thanks!! Cant Wait to get this fixed and go out!


  2. #2
    Sanfish's Avatar
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    Jun 2014
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    If the fuel lines are GRAY (TEMPO), change them ASAP! Replace every last single gray fuel line in that ski and even in the one running good. The OEM gray fuel lines essentially melt from the inside and coat everything in its path with a nasty mess.

    I would remove/rebuild carbs with the original Mikuni i46 kits.

    FYI: The 951 uses 5/16" fuel lines.

    ps. While you are in there, why not bypass the pumpers (increase LSJ +10) and increase the main (HSJ 170). These skis run lean part throttle!

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