What is the fuel mixture of a 1985 20hp Johnson outboard motor?

The fuel mixture for a 1985 20hp Johnson outboard motor typically requires a 50:1 ratio of gasoline to oil. This means for every 50 parts of gasoline, you should add 1 part of two-stroke oil. It's important to use a high-quality two-stroke oil specifically designed for outboard motors to ensure proper lubrication and performance. Always consult the owner's manual for the most accurate information.