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Thread: what octane????

  1. #1

    what octane????

    i just got my first ski a 2000 seadoo rx carb model 2 stroke what octane should i run 87 r 93


  2. #2
    flyin' the friendly skies airbornexp's Avatar
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    they were made to run on 87. it doenst help anything putting 93 in it. especially your bank acct.

  3. #3
    if the 87 is blended with ethanol run the premuium. Ethanol absorbs water and breaks down the fuel faster. Basicly crappy running plugged carbs etc. Your ski may not need the octane but it doesnt need the ethanol. I avoid it in all my vehicles especialy two strokes. try both and see how it runs decide for yourself.

  4. #4
    jonny5's Avatar
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    So with a stock compression of about 135-140 how much compression can you add and run on 87 and then on 91,...?? What is stock squish.

  5. #5
    jonny5's Avatar
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    Nobody??

  6. #6
    retro jet's Avatar
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    answers to both octane and compression questions here.

    http://www.groupk.com/docstech.htm

  7. #7

    2002GTXDI

    Quote Originally Posted by skyler411 View Post
    i just got my first ski a 2000 seadoo rx carb model 2 stroke what octane should i run 87 r 93
    i have a 2002 gtx di, the maint light comes on when i 1st start then turns on, but once in the water form doing 50-55
    it starts to slow down and RPMs drop to 3500, then suddlendly it picks up again to normal full speed for about 4 min, then does
    the samething>?? need help. i just change the spark plugs and has fresh gas,

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