Driveshaft Extension Models - MerCruiser 4.3L TKS Sterndrive Owner's Manual

NOTE: If the boat is operated at idle for prolonged periods of time, coupler should be lubricated Bravo Models ‑ every 50
hours; Alpha Models ‑ every 150 hours.
a
Alpha drive coupler
a - Grease fitting
Tube Ref No.
Engine Coupler Spline
91
Grease
NOTE: Alpha Models ‑ Your power package is equipped with a sealed engine coupler and Perm‑a‑Lube U‑joints. The sealed
coupler and shaft splines can be lubricated without removing the sterndrive unit. The Perm‑a‑Lube U‑joints do not require
lubrication.
NOTE: Bravo Models ‑ 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. The Perm‑a‑Lube U‑joints do not require
lubrication.

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.
2. Lubricate the driveshaft grease fittings by applying approximately 3 ‑ 4 pumps of grease from a typical hand‑operated grease
gun.
b
a
a - Driveshaft grease fittings
b - Transom end grease fitting
c - Engine end grease fitting
Tube Ref No.
U-joint and Gimbal
42
Bearing Grease
90-8M0053265 NOVEMBER 2010
6213
Description
Description
Transom end grease fitting, engine end grease fitting,
a
6212
Bravo drive coupler
Where Used
Coupler
Where Used
driveshaft grease fittings
Section 5 - Maintenance
Part No.
92-802869A 1
c
a
17014
Part No.
92-802870A1
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