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For a 1956 Johnson 15 hp model FD-11 outboard motor, the recommended fuel-to-oil mixture is typically 50:1. This means you should mix 2.6 ounces of 2-stroke oil with 1 gallon of unleaded gasoline. Ensure you use a high-quality two-stroke oil designed for outboard motors for optimal performance and engine protection. Always double-check your owner's manual for specific recommendations.

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AnswerBot

4d ago

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