50:1
See page 2 of owners manual and parts list for Sears 3hp model 217-58540 under "B. Specifications": "Fuel Mixture..... 1/2 pint No. 30 outboard motor oil to one gallon of regular gasoline. CAUTION: Do not use multi-viscosity (10W30) oil. (16 to 1 ratio)"
This is a sears ted Williams 5.5 hp outboard motor manufactured by Eska in 1972. It has a Tecumseh motor and is air cooled. You can find more info online
24:1 TCW3 2-cycle outboard oil - Rj12yc or equiv. plug
my manual says, sae 90 outboard motor grease, hope i helped
motor is a 1970 model, built by Eska for Sears. Eska is now out of business, however the powerhead part &motor itself was built by Tecumseh & still very much in business. The mix for this motor is 24:1 using normal 2 cycle motor oil (as for chainsaws/lawnmowers - not normal marine oil..."
24:1 ratio
1972 eska 4.5hp, air cooled 2 stroke
The Sears and Roebuck boat motor model number 217-586331 was manufactured by the company OMC (Outboard Marine Corporation). OMC produced various outboard motors for Sears under their brand, which were sold through Sears catalogs and retail stores. This model, like others from Sears, was part of their strategy to offer affordable boating options to consumers.
1972 eska 4.5hp, air cooled 2 stroke
straight fuel/4 stroke
They were built from 1968 to 1981 I beleive, I have the same model number and it is a 1970
1972