Mercury TDI 4.2L User Manual

Section 4 - Maintenance
Page 56 90-8M0114081 eng DECEMBER 2015
• Apply a generous coating of one of the following lubricants to the propeller shaft.
a - Propeller shaft
Tube Ref No. Description Where Used Part No.
Extreme Grease Propeller shaft 8M0071842
95
2-4-C with PTFE Propeller shaft 92-802859A 1
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: On Bravo equipped models, if the boat is operated at idle for prolonged periods, the coupler should be lubricated every
50 hours.
52519
Coupler shown separated for clarity
Tube Ref No. Description Where Used Part No.
Extreme Grease Engine coupler and shaft splines 8M0071842
a
a
20335

Mercury TDI 4.2L Specifications

General

Brand	Mercury
Model	TDI 4.2L
Category	Engine
Language	English