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  1. #1

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    2011 GTI SE 155 Wake Sea Doo Waverunner

    Quick question guy's.. My owners manual say's to use 87 and up for gas. Should I run 91 octane 89 or 87?


  2. #2
    boostedpgt's Avatar
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    Jun 2011
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    Jacksonville, Florida, United States
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    run 87, that is what the ECU is programed for. it won't hurt to run the higher octane, but you won't gain anything either. you will just be spending a little extra money.

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