What is the correct fuel mixture ratio for a 1985 250r?

The correct fuel mixture ratio for a 1985 Kawasaki KX250 (often referred to as the 250R) is typically 32:1, which means one part two-stroke oil to 32 parts gasoline. However, it's essential to refer to the owner's manual or consult with a mechanic for specific recommendations, as some riders may choose a slightly richer mixture for better lubrication. Always use high-quality two-stroke oil for optimal performance.