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Ethanol and Honda Engines

The following is a technical bulletin issued by Honda Canada in January of 2011 which provides information about the impact of ethanol and other non petroleum fuel types as it relates to Honda Brand Engines.

 


• Ethanol is produced from corn, soybean, sugar cane, and other organic material. It is blended with gasoline (10% ethanol, 90% gasoline) to produce E10.
• Ethanol has less energy than gasoline, so it reduces fuel efficiency.
• Ethanol is an excellent solvent. In high concentrations it will clean and dissolve deposits, rust in the fuel system, and some fuel tank materials. The dissolved material can clog filters or pass through and leave deposits in the carburetor circuits.
• Ethanol is hygroscopic, which means it attracts and retains water. The lower the fuel level in the tank, the more likely you are to experience water contamination. Moisture from the air ends up in your fuel tank and engine.
• E85 is an alternative fuel; it is not gasoline. Honda engines are not designed or certified to run on E85. Refer to the owner’s manual to get information about the recommended fuels and the currently approved additives. To help prevent water contamination problems when using E10, always keep the fuel tank full when storing your equipment. For seasonal storage, drain the fuel tank empty.

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