Yamaha Yamalube 4-Stroke Engine Oil 10W-40, Semi-Synthetic, 1L

Yamalube S4-M 10W-40 is Yamaha's genuine semi-synthetic 10W-40 engine oil for Yamaha four-stroke outboards and WaveRunner personal watercraft.

The oil is developed for marine use, where load and engine speed vary. The formulation protects against wear, oxidation, foaming and corrosion, and its detergent and dispersant additives help keep the engine's internal parts clean. The corrosion protection also works while the engine is idle. The oil exceeds API SJ requirements.

Part numbers and references:
• Yamaha OEM number: YMD630600101

Always check the recommended oil grade and quantity in your engine's owner's manual. Genuine Yamalube oil.