Inspection And Maintenance Schedule - Mercury 75 TwoStroke Operation, Maintenance & Installation Manual

Tube Ref
Description
No.
Corrosion Guard
120

Inspection and Maintenance Schedule

DAILY CHECKS
• Check the engine oil level
• Check the lanyard stop switch
• Inspect the fuel system for leaks
• Inspect the engine tightness on the transom
• Check the steering system for binding
• Check the propeller for damage
• Inspect the hydraulic steering fittings and hoses for leaks or signs of
damage, if equipped
• Check the hydraulic steering fluid level, if equipped
AFTER EACH USE
• Wash the power package exterior with fresh water
• Flush the outboard cooling system, saltwater or brackish water only
ANNUALLY OR 100 HOURS
• Grease the engine, if applicable
• Change the engine oil and filter, if equipped
• Inspect the thermostat, saltwater or brackish water only
• Add Quickleen to the fuel tank, once per year, per engine
• Apply anti‑seize to the spark plug threads
• Replace the gear lubricant
• Inspect the corrosion control anodes
• Lubricate the propeller shaft splines
• Replace all filters on the suction side of the fuel system—dealer item
• Lubricate the driveshaft splines—dealer item
• Check the tightness on all the fasteners—dealer item
• Check the torque of the outboard mounting hardware—dealer item
• Check the battery condition and tightness of the battery cable connection
—dealer item
THREE YEARS OR 300 HOURS
• Replace the spark plugs
• Replace the water pump impeller—dealer item
eng
MAINTENANCE
Where Used
External metal surfaces of the powerhead
and powerhead components.
49
Part No.
92-802878 55