Specification
Gearcase / Lower Unit: Gear Oil Volume
approx. 195 mL
Specification
approx. 195 mL
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Ask Boat Guru about thisProcedure · 1. Insert the oil tube nozzle into the lower oil plug hole. 2. Fill with gear oil by squeezing the oil tube until oil flows out of the upper plug hole. 3. Replace the oil plug gasket with a new one. 4. Install the upp...
Diagnostic · Cause: Gearcase seal failure allowing water ingress Test: Visually inspect drained lubricant for water separation or milky appearance
Spec · Mercury/Quicksilver gear oil or API GL5, SAE #80 to #90, approximately 195 mL (6.6 fl oz)
Procedure · 1. Drain and refill the gearcase lubricant. Refer to Gearcase Lubrication section for details.
Diagnostic · Cause: Water contamination in the gear oil Test: Inspect drained gear oil for milky or discolored appearance