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one liter fuel 10 mill oil
A 4hp Mercury outboard requires a 50:1 fuel to 2 cycle oil mix.
A 1998 model 4hp Merc outboard runs on a 50:1 fuel to oil ratio. This works out to roughly one pint of 2cycle oil to six gallons of fuel.
Johnson 4hp outboard bj4brcud
A ratio of 50:1 would be required, this is roughly one pint of 2 cycle oil, to six gallons of fuel.
If manufactured prior to 1965, a 24:1 ratio is required. Models 1966 and later use a 50:1 fuel to 2 cycle oil ratio.
The proper mixture for that motor is 50:1. Approximately 2.56 oz. of oil to 1 gallon of gas.......5.12 oz. of oil to 2 gallons of gas....etc..
Jew
0.020 in.
To find out how old a 4HP Mercury outboard is, you can look at the label on the transom bracket, where you will see a two digit number giving you the year it was built.
1969.
1969