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

Protect your Yamaha outboard with a full synthetic marine oil engineered for real on-the-water conditions. Yamaha 10W30 Marine Full Synthetic Oil helps maintain consistent lubrication under heat and load, supports cleaner engine operation, and provides added corrosion protection for humid and saltwater environments. It’s a reliable choice for routine maintenance when you want smooth performance and dependable protection from start-up through shut-down.

Key Features

• Viscosity: 10W-30
• Type: Marine full synthetic outboard engine oil
• Formulated to help protect against wear during high RPM operation
• Helps resist thermal breakdown in high-temperature conditions
• Marine-grade corrosion protection for storage and downtime
• Supports cleaner internals by helping reduce sludge and deposits
• Bottle Size: 1 quart (2 Pack)
• OEM Part Number: QBL-10W30-FS-12
• Yamalube 10W-30 full synthetic is recommended for use on all outboard engines running 10W-30 engine oil

Performance Benefits

Outboards operate under demanding conditions—steady throttle, frequent RPM changes, and constant exposure to moisture. This full synthetic marine formula helps maintain viscosity stability under load while delivering strong film strength to protect critical internal components. The result is smoother operation, improved reliability, and added confidence whether you're running long hours or storing your engine between outings.