Yamaha ACC-GEARL-UB-QT Gearcase Lube, 1 Quart Genuine OEM Yamaha Part Recommended for Yamaha outboards and stern drives except V8, V6 VMAX SHO, and 2010 and newer V6 offshore models Formula includes unique rust and corrosion inhibitors to protect internal engine components even in saltwater environments High viscosity formula protects drives from high speed and high load use 1 quart bottle 80W-90 Weight