The ratio of 32 parts of gasoline to 1 part of oil is a common premix fuel ratio used in two-stroke engines. A device or application assists in determining the precise amounts of gasoline and oil needed to achieve this proportion for a given fuel tank volume. For example, to mix 32:1 in a 1-gallon container, one would require 4 ounces of two-stroke oil.
Employing the correct fuel-to-oil ratio is crucial for optimal engine performance and longevity. An improper mixture can lead to engine damage, including piston scoring and premature wear. Historically, this mixture ratio has been favored for providing sufficient lubrication while minimizing exhaust smoke and carbon buildup. Its continued use reflects a balance between performance and engine protection.