Eska 35 1703 C - Boat Repair Forum
"The 1703C is a 3.5 Horsepower from 1971. 24:1 Fuel Mixture as per the service manual. SAE 90 outboard gear lubricant for the bottom end. The manual states that anything over a 3HP has an impeller to cool exhaust gases, which would include your 3.5. The ....