What is the gas mix ratio for a 15 horsepower Evinrude motor?

Answer Two-stroke motors, like the 15-horsepower Evinrude, require premixing two-cycle oil with gas. Evinrude recommends for motors manufactured after 1964 using a 50:1 ratio of gasoline to oil, with the ... Read More »

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What is the fuel mixture ratio for an Evinrude 85 HP outboard boat motor?

Oil must be mixed with the gasoline on Evinrude outboard motors not equipped with an oil injection system. For Evinrude models built prior to 1958, a 20:1 fuel to oil ratio is used. For models pr... Read More »

What is the oil gas ratio mixture for a Nissan 25 horsepower 2-cycle outboard motor?

The Nissan 25-horsepower outboard engine requires a 50:1 gas-to-oil mixture ratio. An easy way to properly mix this solution is to add 1 pint or 16 ounces of high-quality 2-cycle oil to 6 gallons o... Read More »

How to Troubleshoot an Evinrude Motor?

Evinrude/Johnson make quality outboard motors. However, as with most machines that are exposed to the elements on a prolonged basis, wear and tear can occur. The problems are fairly simple to diagn... Read More »

What is the best gear ratio for the most horsepower?

Gear ratio cannot affect peak engine horsepower, and it has almost no effect on peak horsepower measured at the wheels. To get the best acceleration over any given distance (the quarter-mile, for i... Read More »