Mercury 25 2-Stroke - Page 7

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OPERATION
Prestarting Check List................................................................67
Operating in Freezing Temperatures......................................... 67
Operating in Saltwater or Polluted Water.................................. 68
Operating at High Elevations..................................................... 68
Engine Break‑in Procedure........................................................68
Starting the Engine.................................................................... 69
Warm‑Up................................................................................... 75
Gear Shifting.............................................................................. 76
Stopping the Engine.................................................................. 78
Emergency Starting................................................................... 80
MAINTENANCE
Outboard Care........................................................................... 82
EPA Regulations........................................................................82
EPA Emissions.......................................................................... 83
Inspection and Maintenance Schedule...................................... 84
Flushing the Cooling System..................................................... 85
Top Cowl Removal and Installation........................................... 86
Battery Inspection ..................................................................... 87
Fuel System............................................................................... 87
Fuse Replacement ‑ Electric Start Remote Control Models...... 89
Corrosion Control Anode........................................................... 89
Propeller Replacement.............................................................. 90
Spark Plug Inspection and Replacement...................................94
Lubrication Points...................................................................... 95
Gearcase Lubrication.................................................................96
Submerged Outboard................................................................ 98