Yamalube 4M is a mineral-based 4-stroke outboard engine oil that's an approved NMMA® FCW® formulation specifically for use in the harsh marine environment. The FC-W® rating, whichsets the minimum standard for outboard engine lubrication, corrosion protection, and resistance to potentially harmful effects of oil dilution caused by fuel, provides critical assurance that your outboard’s oil meets the minimum. Go it one better. Yamaha’s exclusive and proprietary additive package means Yamalube 4M meets or exceeds the industry standards for lubricity and corrosion protection.

• Specific marine additives help combat rust, corrosion, varnish and wear

• Purpose-built oil specifically formulated to maintain its viscosity

• Advanced protection properties in 4-stroke outboard motors even when operated rigorously in harsh marine environments

• Promotes efficient fuel economy

• Anti-frictional protection and superior lubrication Provides resistance to foaming

• Excellent lubrication in all climates

• Fully approved in NMMA specified engine test, which includes testing for anti-rust and anti-corrosion standards

• Suitable for: 4-stroke outboard engines

• Bottle Size: 3.78L