Mercury 80 Owner's Manual

MAINTENANCE
40
Tube Ref No. Description Where Used Part No.
120
Corrosion Guard
External metal surfaces
of the powerhead and
powerhead
components.
92-802878Q55
Battery Inspection
The battery should be inspected at periodic intervals to ensure proper engine starting capability.
IMPORTANT: Read the safety and maintenance instructions which accompany your battery.
1. Turn off the engine before servicing the battery.
2. Add water as necessary to keep the battery full.
3. Make sure the battery is secure against movement.
4. Battery cable terminals should be clean, tight, and correctly installed. Positive to positive and negative to
negative.
5. Make sure the battery is equipped with a non-conductive shield to prevent accidental shorting of battery
terminals.
Air Filter
The air filter is a one piece assembly. The air filter removes airborne particles which may damage engine
components. The air filter design allows for maximum unrestricted air flow during engine operation.
AIR FILTER ASSEMBLY REMOVAL
1. Remove the breather tube from the air filter.
a
b
20773
c
a - Air filter assembly
b - Breather tube
c - Air intake
2. Remove the purge vent tube from the air filter.
3. Pull the air filter assembly off the front of the air intake.
NOTE: To help in the removal of the air filter assembly, use the bottom tab that is located on the mounting
flange of the filter and push out on the flange while pulling the air filter assembly off the air intake.

Mercury 80 Specifications

General

Steering	Remote
Shaft Length	20 in (508 mm)
Gear Ratio	2.07:1
Horsepower	80 hp
Full Throttle RPM Range	5000-6000 RPM
Bore x Stroke	3.15 x 3.15 in (80 x 80 mm)