What is the gas oil mixture for Evinrude?
A similar mixture, 24 parts gasoline to 1 part oil, is required for two-stroke Evinrudes built between 1959 and 1963, a 20-to-1 mix is needed for older motors and a 50-to-1 mix for newer two-stroke motors, except those being broken in, which use a 25-to-1 mix, like a racing motor.
What is the oil to gas ratio for a Mercury 8hp outboard?
As a general rule of thumb, add three ounces of Mercury 2 stroke premium outboard motor oil for each gallon of gas. Pour the gas and oil into a singular container. Close the gas container tightly and then shake the container vigorously to ensure that the oil and gasoline mix thoroughly.
How do you mix a 25 1 fuel ratio?
To make 25:1 use the 2.6 oz two cycle oil to a 1/2 gallon of gas. That’s the simple way.
How much fuel does a 25 hp outboard use?
As a point of departure on the search for an answer; there is a rule of thumb that outboards consume about 1 gallon per hour for every 10 horsepower. That equates to roughly 2.5 gallons per hour at full throttle with a 25 HP motor. You will hardly ever run your motor at full throttle for an hour.
How many ounces is 24 1 oil?
Twenty four to one (24:1) is a ratio used by some older 2 stroke motors, largely it seems to have been replaced with 25:1 or 50:1 these days….US (Gallons:Fluid Ounces)
| Fuel (gal) | Oil (fl oz) |
|---|---|
| 1 | 5 |
| 1.5 | 8 |
| 2 | 11 |
| 2.5 | 13 |
How much oil do I need for a 25 to 1 ratio?
What is the correct mixture ratio for a Johnson and Evinrude Motor?
Please note that some Johnson and Evinrude Owners Manuals mention 100:1 mixture ratio after the motor is completely broken in, but most experts suggest against doing that. Stick with 50:1 for the 1964 and newer motors. Models that have working VRO Pumps (Variable Ratio Oilers) do not require oil to be mixed with fuel. The pump is doing the mixing.
What is the best fuel mix for outboard motor?
The ‘Fallback’ fuel mix If all else fails and you’re absolutely stuck we recommend a mix of 50:1 for outboards older than 1980 and 100:1 for outboards manufactured since 1980. That is 50 parts fuel to 1 part oil and 100 parts fuel to 1 part oil respectively. By no means perfect but a good general rule.
Where can I find a 2 stroke fuel mix chart?
Many of the major manufacturers like Yamaha, Evinrude/Johson and Mariner publish 2 stroke fuel oil mix charts in litres and fluid ounces. Many also have online search tools where you can enter your outboards make and model or serial number to get the right mix chart.