Driveshaft Extension Models - MerCruiser 3.0 MPI Owner's Manual

NOTE: If the boat is operated at idle for prolonged periods of time, coupler should be
lubricated in the Alpha Models ‑ every 150 hours.
Tube Ref No.
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.

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
Tube Ref No.
90-899883272 MARCH 2008
Alpha drive coupler
a - Engine coupler grease fitting
Description
Engine Coupler Spline Grease
91
a - Driveshaft grease fittings
b - Transom end grease fitting
Description
U-joint and Gimbal Bearing
42
Grease
a
6213
Where Used
c - Engine end grease fitting
Where Used
Transom end grease fitting,
engine end grease fitting,
driveshaft grease fittings
Section 5 - Maintenance
Part No.
Coupler 92-802869A 1
c
a
Part No.
92-802870A1
17014
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