Yamaha - 10W30 Marine Full Synthetic Oil - Quart - QBL-10W30-FS-12 - 2 Pack

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Help protect your Yamaha outboard with a full synthetic marine oil built for real-world use on the water. Yamaha 10W30 Marine Full Synthetic Oil is designed to maintain stable lubrication under heat and load, support cleaner engine operation, and deliver added corrosion protection in saltwater and humid conditions. It’s a dependable option for routine service when you want consistent performance and solid protection from cold start 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 elevated temperatures
• Provides marine-grade corrosion protection during storage and harsh conditions
• Helps keep engine internals cleaner by minimizing sludge and deposit buildup
• Bottle Size: 1 quart (2 Pack)
• OEM Part Number: QBL-10W30-FS-12
• Yamalube 10W-30 full synthetic is recommended for use in outboard engines requiring 10W-30 engine oil

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Performance Benefits

Outboards deal with steady load, changing RPM, and constant exposure to moisture. This full synthetic marine formula helps maintain consistent viscosity under those conditions while providing a durable protective film across internal engine components. The result is smoother operation, more reliable performance, and added confidence whether you're putting in long hours or letting the engine sit between runs.