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Used the wrong oil!!!

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  • Used the wrong oil!!!

    My buddy used quick silver oil in his 2000 Sea Doo GTS. He said that he drained it all out and now he has lost alot of speed and always fouling plugs. After he changes plugs he said it will run ok for about 5 mins and then foul again. The plugs look real dark like it is running real rich. Has he hurt something major or is there something he can do to get it back in good shape? There is only 34 hours on the ski.

    Thanks
    YAM018

  • #2
    There is a cable running from the carbs to the oil pump - this adjusts the oil rate according to throttle postition - make sure the cable was put back on, or hasn't fallen off. When that happens, it defaults to wide open all the time and injects way too much oil at low throttle positions. Other than that there shouldn't be any damage, if he just used it for a little while - it takes extended use of no-ash oil to damage the rotary valve/cover/case. Make sure he's using the right plugs, and gapping them correctly, too.

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    • #3
      Thanks for the help Bryan. The ski was only run for about 30 minutes before he realized what he had done. I'll check the cable tomorrow.

      Thanks
      YAM018

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