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Jul 29, 2014 · The manual says 87 octane for his engine, which should have the electronics needed to keep it from knocking or running on with the recommended octane. My new boat says 89, so that is what it gets 89 octane E10 - no issues so far using the recommended fuel.
It’s a reflection of the type of engine and its compression ratio. If you have a high-performance vessel like a speed boat or high-end fishing boat, you need to ante up for the higher octane gas for optimal operation. It typically runs about $0.02 to $0.05 per gallon more than regular.
May 1, 2018 · The components of your fuel are the basis for the detonation/burn ratio and ability of your engine to handle the combustion – and its effects. The higher the octane rating, the higher percentage iso-octane in the fuel, which means a smoother burn.
Mar 20, 2024 · Many factors influence the boat engine cost, from its type to horsepower. Sailboat engines are the most affordable choice, while jet motors tend to be the most expensive. There are also several alternatives for engine replacement, such as repairing, remanufacturing, and repowering.
Consult the Owner’s Manual. First and foremost, your engine’s owner manual has guidance on fuel and oil requirements. Look under ”engine specifications” for which type of boat fuel is best for your engines. Many owner’s manuals are available online, or you can order a copy from an authorized dealer.
Sep 26, 2022 · Most marine gasoline engine manufacturers recommend using ethanol-free or 10% ethanol gasoline with a minimum octane rating of 87 (a few sport engines require higher octane). Most marine diesel engine manufacturers recommend using off-road diesel (No. 1-D or No. 2-D).
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Using the correct marine fuel and marine oil in any boat's engine—outboard, sterndrive or inboard—will ensure many seasons of reliable performance. All gasoline engines are designed to operate safely on fuel with no more than 10 percent ethanol.
