ACC-GLUBE-HD-QT - MARINE GEAR LUBE HD QT 12/CS Superior marine lubricant designed to protect gearcase components operating at high speeds for extended periods in fresh or saltwater applications includes robust rust and corrosion inhibitors for long life. This Yamalube Marine Gear Case Lube is intended for use in all Yamaha 4.2L V6, V8, and VMAX SHO 225 & 250 HP Outboards.