Mercury 75 Operation Maintenance Warranty Installation Manual page 86

Tube Ref
Description
No.
Extreme Grease
• Lubricate the splines on the propeller shaft.
• Drain and replace the gearcase lubricant.
• Inspect all belts, pulleys, and idler pulleys for deterioration.
•
Check the fuel pressure.
• Check the control cable adjustments.
• Inspect the battery.
• Check the corrosion control anodes.
• Check the tightness of all fasteners.
• Check the power trim fluid.
• Use Quicksilver products to remove engine deposits. See your dealer for
an explanation of which products to use.
EVERY 100 HOURS OR ONCE A YEAR, WHICHEVER OCCURS FIRST
• Tighten the fasteners that secure the outboard to the boat transom to the
specified torque.
Description
Outboard mounting locknuts and
bolts – standard boat transom
Outboard mounting locknuts and
bolts – metal lift plates and setback
brackets
• Replace the water pump impeller (more often if overheating occurs or
reduced water pressure is noted).
• Replace the spark plugs after the first 100 hours or first year. After that,
inspect the spark plugs every 100 hours or once yearly. Replace the
spark plugs as needed.
• Replace the water‑separating fuel filter.
• Replace the in‑line oil filter after the first 100 hours of operation.
• Use Quickleen in the fuel.
• Verify that the cowl seals are intact and not damaged.
• Check that the internal cowl sound reduction foam (if equipped) is intact
and not deteriorating.
• Ensure that the intake silencer (if equipped) is in place.
• Ensure that the idle relief muffler (if equipped) is in place.
• Check for loose hose clamps and rubber boots (if equipped) on the air
intake assembly.
MAINTENANCE
Length of driveshaft
1.
1.
Where Used
Nm
75
122
1.
76
Part No.
8M0071842
lb‑in. lb‑ft
– 55
– 90
eng