I have a 70hp outbrd johnson motor how much oil do I need per 6 gal of gas?

Question

Bought this boat and fixed it up but I can't find out how much of a ratio to use to mix the oil and gas. Please help!

Answer 1

Geez, how 'bout one more answer?

There are 128 ounces per gallon of liquid.

There is then 768 ounces of gasoline in 6 gallons.

768 divide by 50 equals 15.36 ounces for a "true" 50-1 ratio.

This also works out to 2.56 ounces of oil per each gallon, and 12.8 ounces per 5 gallons!

Why all that? Well sometimes you may want to mix less than 6 gallons.

Round up 15.36 to 16, and 2.56 to a bit less than 3. A SMALL bit more is better than a SMALL bit less.

Answer 2

One pint per 6 gal. of fuel, this yealds a 50:1 ratio.

Answer 3

16 ounces per 6 gal of gas.

Answer 4

its a 50:1 ratio