What is the oil ratio in a 1986 Johnson 40hp outboard?

The oil ratio for a 1986 Johnson 40hp outboard is typically 50:1. This means you should mix 2.6 ounces of 2-stroke oil with every gallon of gasoline. It's important to use high-quality oil designed for air-cooled 2-stroke engines to ensure optimal performance and engine longevity. Always check the owner's manual for any specific recommendations.