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folke2000

Older Merc 115 fuel / oil mix ratio

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Am I correct in the assumption that a late 70's Merc 115 hp would take a 50:1 oil mix ratio? Just bought this boat, and have no manual. Thanks for any help out there.

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Yes 50 to 1 is correct ratio, if you can use higher octane non oxygenate gasoline it would be better for it too, but not mandatory

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Thanks Valv....I knew someone here would know. This is a great site with great people.

Bruce

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