Yamalube S4-M 10W-30 Semi Synthetic Marine Oil 5L – Yamaha 4-Stroke Outboard Engine Oil High-performance semi-synthetic 10W-30 marine engine oil for Yamaha 4-stroke outboards and personal watercraft, formulated for reliable lubrication, corrosion protection and smooth running in Irish coastal conditions. Brand: Yamaha Product name: Yamalube S4-M 10W-30 Semi Synthetic Marine Oil Capacity: 5 litres Viscosity grade: 10W-30 Oil type: Semi-synthetic marine engine oil Suitable for Yamaha 4-stroke outboards and personal watercraft Product code: YMD630500501 Designed to improve detergency and dispersancy to help keep engines clean Formulated with corrosion inhibitor to help protect key engine parts at idle and in operation Long-lasting protection against engine stress for smoother engine performance Anti-foam and anti-corrosion properties for dependable lubrication in marine use Formula exceeds API SJ standards Marine oil product with retailer shipping restriction outside Ireland Sold as a single 5L container Yamalube S4-M 10W-30 Semi Synthetic Marine Oil 5L is a premium Yamaha marine engine oil developed for the demands of 4-stroke outboards and personal watercraft. Its semi-synthetic formula helps reduce wear, maintain engine cleanliness and support dependable lubrication across a wide range of operating conditions. For boat owners sailing in Ireland, the built-in anti-corrosion and anti-foam properties make it a strong choice for protecting engines used in saltwater and coastal environments. Ideal for routine servicing, this marine-rated 10W-30 oil helps support smooth running, long engine life and reliable performance on the water.
