Section 5 - Maintenance
90-8M0074352 eng OCTOBER 2012 Page 79
Sterndrive U‑Joint Shaft Splines and O‑Rings (Sterndrive Unit Removed)
1. Coat sterndrive U‑joint O‑rings and driveshaft splines with grease.
a - Driveshaft splines
b - U‑joint O‑rings (3)
Tube Ref No. Description Where Used Part No.
91
Engine Coupler Spline
Grease
Driveshaft splines and U-joint O-rings 8M0071842
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.
Bravo drive coupler
a - Grease fitting
Tube Ref No. Description Where Used Part No.
91
Engine Coupler Spline
Grease
Coupler 8M0071842
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.
b
a
8591
a
6212
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