United M1 Classic 4T motorcycle oil is a multigrade lubricant designed for four-stroke motorcycle engines. It contains a balanced blend of select high-performance, high-viscosity index hydro-treated base stocks and a special proprietary additive package. United M1 Classic 4T motorcycle oil is engineered to provide unsurpassed wear protection, engine cleanliness and oxidation resistance, as well as consistent viscosity.

United M1 Classic 4T is a powerful detergent type of motor oil. It can be used in most 4T engines including Yamaha, Honda, Kawasaki, Suzuki, Kubota, Kymco, PGO, SYM and Aeon.