Section 5 - Maintenance
Page 90 90-879172181 eng FEBRUARY 2011
2. Remove the gearcase fill and drain screw and sealing washer.
a - Gearcase
b - Fill‑drain screw and sealing washer
3. Remove the gear lube monitor cap.
Shown without drive cover
a - Gear lube monitor
b - Cap
4. Drain the gear lube into a suitable container.
IMPORTANT: If any water exits the fill and drain hole, or if the gear lube appears milky, the drive is leaking. Contact your
Cummins MerCruiser Diesel Authorized Repair Facility immediately.
5. Allow the gear lube to drain completely. Properly dispose of the gear lube.
IMPORTANT: Use Mercury or Quicksilver High Performance Gear Lube in the drive.
6. Install a suitable gear lube pump into the gearcase fill and drain hole. Fill the drive with the specified gear lube.
a - Fill and drain hole
b - Gear lube and pump
Description Part Number
Quicksilver Gear Lube Pump 91‑850730Q1
Drive Model
Fluid Capacity (includes
the drive and the gear lube
monitor)
Fluid Type Fluid Part Number
Zeus 5‑1/4 L (5‑1/2 US qt)
High Performance Gear
Lube
92‑858064K01 1 L (1 US qt)
92‑858065Q01 9.5 L (2.5 US gal)