Engine Oil Yamalube S4-M Semi Synthetic 10W-40 5 Litre for Yamaha Outboard Engines

Engine Oil Yamalube S4-M Semi Synthetic 10W-40 5 Litre for Yamaha Outboard Engines Yamalube S4-M 10W-40 is a high-performance semi-synthetic engine oil specially developed for four-stroke outboard engines and personal watercraft used in marine environments with varying temperatures and loads. It provides stable lubrication at high RPM, effective wear protection, and long-lasting performance even under demanding operating conditions. The oil prevents foam formation and protects against corrosion, making it ideal for both saltwater and freshwater use.