Monarch Super Syn 15W50 is a premium quality engine oil formulated with full synthetic oils including PAO’s (Poly-Alpha-Olefins) and the most advanced additive technology; specifically designed to meet the extreme performance demands required by today’s 4 stroke engines. It is designed to increase engine performance, to reduce wear and corrosion, and to allow extended drain intervals. It is suitable for air-cooled and liquid-cooled 4 stroke engines including V-twin engines and is compatible with wet-clutch transmissions and provides superior gearshift quality.
