Yamaha - 10W30 Marine Full Synthetic Oil - 55 Gallon - QBL-10W30-FS-55

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Keep your Yamaha outboard protected with a full synthetic marine oil designed for real on-the-water use. Yamaha 10W30 Marine Full Synthetic Oil is built to hold consistent lubrication under heat and load, promote cleaner engine operation, and provide added corrosion resistance in saltwater and humid environments. Packaged in a 55-gallon drum, it’s a practical choice for marinas, service shops, and high-volume operations that need dependable oil available for routine service and bulk applications.

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Key Features

• Viscosity: 10W-30
  
• Type: Marine full synthetic outboard engine oil
  
• Engineered to help reduce wear during sustained high RPM operation
  
• Designed to maintain stability and resist breakdown in higher operating temperatures
  
• Provides marine-grade corrosion protection during storage and harsh use conditions
  
• Helps keep engine internals cleaner by minimizing sludge and deposit buildup
  
• Container Size: 55 gallon drum
  
• OEM Part Number: QBL-10W30-FS-55
• Yamalube 10W-30 full synthetic is recommended for use in outboard engines requiring 10W-30 engine oil

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Performance Benefits

Outboards see constant load, shifting RPM ranges, and regular exposure to moisture and marine conditions. This full synthetic formula helps maintain consistent viscosity under stress while providing a strong protective film across internal components. The 55-gallon drum format also makes it easier to manage larger service demands, keeping bulk oil readily available for ongoing maintenance. The end result is smoother engine operation, dependable protection, and confidence whether you're maintaining multiple engines or preparing units for extended run time.