Thread: Outboard 89 or 93
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Old 05-23-2014, 04:19 AM
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alphaman alphaman is offline
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Default Outboard 89 or 93
Has anyone ever ran 89 or 93 octane gas in there outboard?

I was watching some videos and I See that the new yamaha in line 4 stroke 200 recommends 89 octane gas, along with a few other Yamha engines.

Could running a higher octane in an outboard engine hurt it?

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Last edited by alphaman; 05-23-2014 at 05:12 AM.
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