Mercury 4-STROKE User Manual

Maintenance
Outboard Care.................................................................................................. 77
EPA Emission Regulations............................................................................... 77
Inspection and Maintenance Schedule............................................................. 78
Flushing the Cooling System............................................................................ 80
Top Cowl Removal And Installation.................................................................. 82
Battery Inspection ............................................................................................ 82
Exterior Care.....................................................................................................82
Fuel System...................................................................................................... 83
Steering Link Rod Fasteners............................................................................ 83
Corrosion Control Anode ................................................................................. 85
Propeller Replacement .................................................................................... 85
Fuse Replacement ‑ Electric Start Models ...................................................... 87
Spark Plug Inspection and Replacement..........................................................88
Timing Belt Inspection...................................................................................... 89
Changing Engine Oil ........................................................................................ 89
Lubrication Points ............................................................................................ 91
Gearcase Lubrication........................................................................................93
Checking Power Tilt Fluid................................................................................. 95
Submerged Outboard....................................................................................... 96
Storage
Storage Preparation..........................................................................................97
Protecting External Outboard Components...................................................... 97
Protecting Internal Engine Components........................................................... 98
Gearcase.......................................................................................................... 98
Positioning Outboard for Storage..................................................................... 98
Battery Storage................................................................................................. 99
Troubleshooting
Starter Motor Will Not Crank the Engine (Electric Start Models) ................... 100
Engine Will Not Start.......................................................................................100
Engine Runs Erratically.................................................................................. 100
Performance Loss...........................................................................................101
Battery Will Not Hold Charge.......................................................................... 101
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Mercury 4-STROKE Specifications

General

Engine Type	4-Stroke
Fuel Type	Gasoline
Cooling System	Water-cooled
Ignition System	CDI (Capacitor Discharge Ignition)
Starting	Manual / Electric
Shaft Length	15", 20", 25"
Max Power	Varies by model
Full Throttle RPM Range	Varies by model
Fuel Induction System	EFI / Carbureted
Steering	Remote / Tiller
Weight	Varies by model
Fuel Tank Capacity	Varies by model, some models include external tank
Oil Capacity	Varies by model