Mercury 25 2-Stroke - Page 94

MAINTENANCE
84 eng
Inspection and Maintenance Schedule
BEFORE EACH USE
• Check that lanyard stop switch stops the engine.
• Visually inspect the fuel system for deterioration or leaks.
• Check outboard for tightness on transom.
• Check steering system for binding or loose components.
• Remote control models ‑ Visually check steering link rod
fasteners for proper tightness. See Steering Link Rod
Fasteners.
• Check propeller blades for damage.
AFTER EACH USE
• Flush out the outboard cooling system if operating in salt or
polluted water. See Flushing the Cooling System.
• Wash off all salt deposits and flush out the exhaust outlet of
the propeller and gearcase with fresh water if operating in
saltwater.
EVERY 100 HOURS OF USE OR ONCE YEARLY,
WHICHEVER OCCURS FIRST
• Lubricate all lubrication points. Lubricate more frequently
when used in saltwater. See Lubrication Points.
• Inspect and clean spark plugs. See Spark Plug Inspection
and Replacement.
• Check fuel line filter for contaminants. See Fuel System.
•
Check carburetor adjustments, if required. See Carburetor
Adjustments.
• Check corrosion control anodes. Check more frequently
when used in saltwater. See Corrosion Control Anodes.
• Drain and replace gearcase lubricant. See Gearcase
Lubrication.
•
Lubricate splines on the driveshaft and shift shaft.
1.
•
Electric start models ‑ Inspect battery. See Battery
Inspection.
•
Remote control models ‑ Check control cable adjustments.
1.
1. These items should be serviced by an authorized dealer.