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

Protect your Yamaha outboard with a full synthetic marine oil designed for real-world, on-the-water performance. Yamaha 10W30 Marine Full Synthetic Oil helps maintain consistent lubrication under heat and load, supports cleaner engine operation, and provides enhanced corrosion protection in humid and saltwater environments. It’s a dependable option for routine maintenance when you want smooth operation and long-lasting 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 elevated operating temperatures
  
• Marine-grade corrosion protection for storage and harsh conditions
  
• Supports cleaner internals by helping reduce sludge and deposits
  
• Bottle Size: 1 gallon (4 Pack)
  
• OEM Part Number: QBL-10W30-FS-04
• Yamalube 10W-30 full synthetic is recommended for use on all outboard engines running 10W-30 engine oil

Performance Benefits

Outboards are built to handle demanding use—steady throttle, frequent RPM shifts, and constant exposure to moisture. This full synthetic marine formula helps maintain stable viscosity under load while delivering strong film strength to protect internal engine components. The result is smoother performance, improved reliability, and added confidence whether you're running extended hours or storing your engine between outings.