AMSOIL Formula 4 Stroke 10w30 and 10w40 Synthetic Marine Oils are recommended for use in 4 stroke outboard motors including Bombardier BRP, Honda, Johnson Evinrude (BRP), Mercury, Nissan, Suzuki, Tohatsu and Yamaha. Excellent for use in marine inboard engines including Chevrolet, Chrysler Marine, Crusader, Ford, GM, Marine Power, Mercury (MerCruiser), OMC, and Volvo Penta. Recommended for use with PWC (personal watercraft) including Sea Doo (BRP), Honda, Polaris and Yamaha.
AMSOIL Formula 4 Stroke 10w30 and 10w40 Synthetic Marine Oils are a premium quality synthetic oil formulation engineered for the harsh operating conditions of marine engine environments. They withstand the intense mechanical action of continuous, high RPM operation to deliver superior viscosity protection. AMSOIL Formula 4 Stroke Marine Oils are specially fortified with a heavy treatment of advanced additives that protects motors against rust, wear, and deposits. They excel in both high horsepower applications and all-day trolling conditions.