Mercury V-6 series

66
CA742
SCHEDULED MAINTENANCE THAT SHOULD BE PERFORMED
BY A DEALER
NOTE: Only perform maintenance which applies to your particular
power package.
Task Interval
Seawater Pickup Pump -
Disassemble and inspect.
Whenever insufficient
seawater flow is suspected.
(If operating temperature
exceeds normal range.)
Crankcase Oil and Filter -
Change.
Ignition system - Clean and
inspect condition.
Flame Arrestor and Crankcase
Ventilation Hose - Clean and
inspect.
Positive Crankcase Ventilation
(PCV) Valve (If Equipped) -
Change.
End of first boating season
and thereafter, every 100
hours of o
p
eration or once
Sterndrive Unit Oil - Change.
hours
of
o eration
or
once
yearly, whichever occurs first.
Gimbal Ring Clamping Screws
- Retorque to 55 ft. lb. (74 N·m).
yy,
Rear Engine Mounts - Torque
to 35-40 ft. lb. (47-54 N·m).
Gimbal Bearing - Lubricate.
Cooling System - Clean and
inspect.