Sterndrive U-Joint Shaft Splines And O-Rings (Sterndrive Unit Removed); Engine Coupler - MerCruiser 496 MAG Owner's Manual

Sterndrive U‑joint Shaft Splines And O‑rings (Sterndrive Unit Removed)
1. Coat sterndrive U‑joint O‑rings and driveshaft splines with grease.
Tube Ref No.
2. For propeller shaft lubrication, refer to Propellers.

Engine Coupler

1. Lubricate engine coupler splines through grease fittings on coupler by applying
approximately 8‑10 pumps of grease from a typical hand‑operated grease gun.
NOTE: If the boat is operated at idle for prolonged periods of time, coupler should be
lubricated every 50 hours.
Tube Ref No.
NOTE: The coupler and shaft splines can be lubricated without removing the sterndrive
unit. Apply lubricant from a typical hand‑operated grease gun until a small amount of grease
begins to push out.
90-899883240 NOVEMBER 2007
a - Driveshaft splines
Description
Engine Coupler Spline Grease
91
Bravo drive coupler
a - Grease fitting
Description
Engine Coupler Spline Grease
91
b
a
8591
b - U‑joint O‑rings (3)
Where Used
Driveshaft splines and U-joint
O-rings
a
6212
Where Used
Coupler
Section 5 - Maintenance
Part No.
92-802869A1
Part No.
92-802869A1
Page 89