99 SAN GT40 starting issue...

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  • Connor
    • Aug 2012
    • 78

    • Austin, Texas


    99 SAN GT40 starting issue...

    Hey guys, looking for a place to start on this one. I have a 99 SAN and it is currently not starting like it used to. After having it sit up all winter, took it to the lake a month ago and it started right up first crank. Since then have taken it out a few times and it is not wanting to start. The motor turns over fine (have 3 batteries, fully charged) and it attempts to start but after about a second of sputtering it cuts off. After cranking on it for a little while and eventually giving it a little neutral throttle rev it up it is good, and once it starts and runs for a while, it is good to go the rest of the day.

    At this point I have it narrowed down but would prefer some advice. Is it my starter, plugs & wires (tune up), or fuel issue? This is my 3rd summer with the boat and I have put about 175 hours on the boat. The previous owner told me he replaced the plugs and wires back in like 2009. Let me know what y'all think or where y'all would start... Thanks in advance!
  • Rick
    1,000 Post Club Member
    • Mar 2004
    • 1250

    • San Diego, Ca

    • 1962 Keaton Utility. 2000 Ski 1965 Barracuda

    #2
    I'm thinking fuel There may be water in your fuel cell, or a dirty filter. That is the container on the engine that holds the high pressure fuel pump and filter. It may also be the low pressure pump failing but it doesn't sound like it.
    Nautiqueless in San Diego

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