High Viscosity Lower Unit Gear Lube 80W 90 for MIL-PSF-2105E, API MT-1, API GL-5, MACK GO-J, MACK GO-H.
 
Formulated with special anti-wear additives, rust and corrosion inhibitors.
For lower units of all outboard motors and stern drives.
 
Directions
 
Refer to Manufacturer's Engine Service Manual for flushing and filling instructions. If none are available: 1) Remove upper and lower plugs on lower unit gear case and completely drain the old oil. 2) Install fill tube into lower hole. We recommend using Star brite Lower Unit Quart Pump (#27400, Lube Tube (#28600) and Adaptor (#28401, #28402) for easy installation. 3) Slowly refill unit with new lubricant until fluid appears at the lip of the upper hole. 4) Replace the upper plug and tighten it securely. 5) Remove fill tube from the lower hole and replace the lower plug. Tighten securely.