Mercury 25 EFI FourStroke User Manual page 9

MAINTENANCE
Outboard Care........................................................................... 93
EPA Emissions.......................................................................... 94
Inspection and Maintenance Schedule...................................... 95
Flushing the Cooling System..................................................... 96
Top Cowl Removal and Installation........................................... 99
Exterior Care.............................................................................. 99
Battery Inspection ................................................................... 100
Fuel System............................................................................. 100
Steering Link Rod Fasteners................................................... 102
Corrosion Control Anode......................................................... 103
Propeller Replacement............................................................ 105
Spark Plug Inspection and Replacement................................. 108
Fuse Replacement - Electric Start Models.............................. 109
Timing Belt Inspection............................................................. 110
Lubrication Points.................................................................... 111
Checking Power Trim Fluid...................................................... 114
Changing Engine Oil ............................................................... 114
Gearcase Lubrication............................................................... 116
Submerged Outboard.............................................................. 118
STORAGE
Storage Preparation................................................................. 119
Protecting External Outboard Components............................. 120
Protecting Internal Engine Components.................................. 120
Gearcase................................................................................. 120
Positioning Outboard for Storage............................................ 120
Battery Storage........................................................................ 121
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