Engine Coupler; Driveshaft Extension Models - Mercury TDI 3.0L Owner's Operation And Maintenance Manual

Section 4 - Maintenance
• Apply a generous coating of one of the following lubricants to the propeller shaft.
a - Propeller shaft
Tube Ref No.
Extreme Grease
2-4-C with PTFE
95

Engine Coupler

IMPORTANT: These engines are equipped with a sealed engine coupler. The sealed coupler and the shaft splines can be
lubricated without removing the sterndrive unit.
Lubricate the engine coupler splines through the grease fitting on the coupler by applying approximately 8–10 pumps of
Extreme Grease from a typical hand‑operated grease gun.
NOTE: If the boat is operated at idle for prolonged periods of time, the coupler should be lubricated on Bravo models every 50
hours.
a
Tube Ref No.
Extreme Grease

Driveshaft Extension Models

1. Lubricate the transom end grease fitting and engine end grease fitting by applying approximately 10–12 pumps of grease
from a typical hand‑operated grease gun.
Page 76
a
Description
Coupler shown separated for clarity
a - Grease fitting
20861
Description
a
Where Used
Propeller shaft
Propeller shaft
Where Used
Engine coupler and shaft splines
20335
Part No.
8M0071842
92-802859A 1
Part No.
8M0071842
90-8M0145546 MAY 2018
eng