What gear oil goes in the rear end on a 2007 king quad?

For a 2007 Suzuki KingQuad, the rear differential typically requires an API GL-5 gear oil with a viscosity of 80W-90. It's essential to check the owner's manual for specific recommendations, as it may vary depending on the model and any modifications. Ensure to use high-quality gear oil to maintain optimal performance and longevity of the differential.