MerCruiser 8.1 MAG, Owner'S Manual

Page: 94 / 152

Section 5 - Maintenance
Page 86 90-864839070 AUGUST 2007
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.
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
Bravo Models
‑ every 50 hours;
Alpha Models
‑ every 150 hours.
a
6212
Bravo drive coupler
a - Grease fitting
Tube Ref No. Description Where Used Part No.
91
Engine Coupler Spline Grease Coupler 92-802869A 1
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.
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.
a
b
a
c
17014
a - Driveshaft grease fittings
b - Transom end grease fitting
c - Engine end grease fitting