My twin cylinder 1965 Johnson 3hp uses a 50:1 gas:oil ratio.
Evinrude and Johnson outboards manufactured prior to 1965, require a 24:1 ratio. The JH20 is a 1965 model requiring a 50:1 ratio, this is roughly one pint of 2 cycle oil, to six gallons of fuel.
All Johnson and Evinrude outboards manufactured prior to 1965 require a 24:1 ratio. The model CD-15 has always been one of my personal favorites, take care of it, and enjoy it.
Johnson and Evinrude outboards manufactured prior to 1965, require a 24:1 ratio. This ratio works out to 5-6 oz. of 2 cycle oil per gallon of fuel.
The fuel to oil ratio for a 1962 model Johnson outboard is 24:1.
How Old? I have a 1980 2HP Johnson. The Ratio is 50:1
I have a 1976 Johnson 115 and the ratio I use is 50 to 1. Rob, Dallas, TX.
50 to1
50 to 1
50:1
40:1
50:1
I wish I knew!