Tube Ref
No.
Description Where Used Part No.
SAE 85W-90
Mercury Racing
Gear Oil
Neck of the O-ring on the gear lube
monitor bottle
8M0078015
Extreme Grease Propeller shaft splines 8M0071842
Description Nm lb‑in. lb‑ft
Propeller nut 75 – 55
IMPORTANT: The oil level in the gear lube monitor will rise and fall during drive
operation. Always check the oil level when the drive is cool and the engine is
shut down.
Lubrication
DRIVE UNIT AND TRANSOM ASSEMBLY
IMPORTANT: Disconnect the speedometer hose fitting from the driveshaft
housing prior to removing the sterndrive unit to prevent damage to the fitting.
IMPORTANT: The sterndrive must be removed in order to lubricate the
U‑joints. Contact your authorized Mercury MerCruiser dealer for this service.
NOTE: The engine coupling and shaft splines are greased with engine coupler
spline grease. Universal joints are greased with 2‑4‑C with PTFE lubricant.
Lubricate the gimbal bearing with 2‑4‑C with PTFE lubricant.
a - Gimbal bearing grease fitting
Tube Ref
No.
Description Where Used Part No.
95
2-4-C with PTFE Gimbal bearing 92-802859A 1
mc77068-1
a
MAINTENANCE
eng 65
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