Mercury 25 TwoStroke - Page 8

Operation
Prestarting Check List.......................................................................................36
Operating in Freezing Temperatures................................................................ 36
Operating in Saltwater or Polluted Water......................................................... 36
Operating at High Elevations............................................................................ 37
Engine Break‑in Procedure...............................................................................37
Starting the Engine........................................................................................... 38
Warm‑Up.......................................................................................................... 44
Gear Shifting..................................................................................................... 44
Stopping the Engine......................................................................................... 47
Emergency Starting.......................................................................................... 48
Maintenance
Cleaning Care Recommendations.................................................................... 50
Inspection and Maintenance Schedule ............................................................ 51
Flushing the Cooling System............................................................................ 52
Top Cowl Removal and Installation.................................................................. 54
Battery Inspection ............................................................................................ 55
Fuel System...................................................................................................... 55
Fuse Replacement ‑ Electric Start Remote Control Models............................. 56
Corrosion Control Anode.................................................................................. 56
Propeller Replacement..................................................................................... 57
Spark Plug Inspection and Replacement..........................................................61
Lubrication Points............................................................................................. 62
Gearcase Lubricant.......................................................................................... 62
Submerged Outboard....................................................................................... 64
Storage
Storage Preparation..........................................................................................65
Protecting External Outboard Components...................................................... 65
Protecting Internal Engine Components........................................................... 66
Gearcase.......................................................................................................... 66
Positioning Outboard for Storage..................................................................... 66
Battery Storage................................................................................................. 66
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