NEW 5L BOTTLE - PART NUMBER YMD630600501
 
Introduction to Yamalube YAMAHAS semi synthetic marine 10W-40 4-stroke engine oil
 
Yamalube 10W-40 is a high-performance, multi-grade engine oil specifically formulated by Yamaha Motor Corporation to meet the unique demands of their 4-stroke marine engines. Designed for optimal performance and long-term reliability, Yamalube 10W-40 is ideal for use in outboard motors, personal watercraft (PWC), and inboard marine engines operating in harsh aquatic environments.
⚙️ Purpose and Application
Marine engines operate under very different conditions compared to land-based engines:
High-load operation
Prolonged idling or trolling
Constant exposure to saltwater and humidity
Extreme temperature fluctuations
Yamalube 10W-40 is engineered to tackle these challenges by offering superior protection, lubrication, and anti-corrosion properties — especially critical in saltwater environments.
🛢️ Key Features
✅ Marine-Specific Formulation
Includes anti-rust and anti-corrosion additives designed for wet, salty environments.
✅ Thermal and Shear Stability
Maintains viscosity and protective film under high RPM and heavy load conditions.
✅ JASO MA/MA2 and NMMA FC-W Certified
Ensures optimal clutch performance in wet clutch systems (like those in personal watercraft) and meets marine engine requirements.
✅ Clean Burn Technology
Helps prevent carbon buildup on engine parts and ensures cleaner combustion.
✅ OEM-Recommended
Developed, tested, and approved by Yamaha engineers for all 4-stroke Yamaha marine engines.
🚤 Common Marine Applications
Yamaha 4-Stroke Outboard Engines
Yamaha WaveRunners (PWC)
Yamaha Jet Boats
Other 4-Stroke Marine Engines (with compatible specifications)