Yamalube - 10W30 Marine Full Synthetic Oil - Gallon - QBL-10W30-FS-04 - 4 Pack

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Keep your Yamaha outboard protected with a full synthetic marine oil built for real on-the-water conditions. Yamaha 10W30 Marine Full Synthetic Oil is designed to maintain consistent lubrication under heat and load, promote cleaner engine operation, and provide strong corrosion resistance in humid and saltwater environments. It’s a reliable choice for routine maintenance when you want consistent performance and long-term protection from startup through shutdown.

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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 demanding conditions
  
• Helps keep internal engine components cleaner by reducing sludge and deposit buildup
  
• Bottle Size: 1 gallon (4 Pack)
  
• OEM Part Number: QBL-10W30-FS-04
• Yamalube 10W-30 full synthetic is recommended for use in outboard engines requiring 10W-30 engine oil

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Performance Benefits

Outboards are constantly under load, dealing with changing RPM and regular exposure to moisture. This full synthetic marine formula helps maintain stable viscosity under those conditions while providing a strong protective film across internal components. The result is smoother operation, dependable performance, and added confidence whether you're running long hours or storing your engine between uses.