Sterndrive U-Joint Shaft Splines And O-Rings (Sterndrive Unit Removed); Engine Coupler; Driveshaft Extension Models - Mercury 8.2 MAG 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.
Engine Coupler Spline
91
Grease
2. For propeller shaft lubrication, refer to Propellers.

Engine Coupler

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.
Engine Coupler Spline
91
Grease
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.

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.
90-8M0074352 OCTOBER 2012
eng
b
a
Description
Bravo drive coupler
a - Grease fitting
a
6212
Description
a - Driveshaft splines
b - U‑joint O‑rings (3)
8591
Where Used
Driveshaft splines and U-joint O-rings
Where Used
Coupler
Section 5 - Maintenance
Part No.
8M0071842
Part No.
8M0071842
Page 79