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Thread: 05 Gtx

    Senior Member
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    May 2008
    Gorham Me
    05 Sea Doo GTX SC 185 96 Sea Doo GTS 581
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    Default 05 Gtx

    is it bad to run 87 octane in a 05 gtx sc or do we have to run 89 in it we have been running 87 for 3 years.

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    kustomkarl's Avatar
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    Sep 2007
    Sunny S.W. coast of Englewood, Florida
    1996 Chris Craft 26' Cruiser, Kawasaki 440 Superstock, 550 Mod., 2008 200Speedster 310 Hp
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    Welcome to the seadoo forum 05gtxsc. No the only reason you would need to run a higher octane is if it was experiencing detonation. Then it would need more octane to keep it from doing that, which would put a hole in the top of the piston, if you didn't use the higher octane.

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