Mercury Racing 500R Operation And Maintenance Manual page 98

• Inspect the battery. Refer to Battery Inspection.
• Saltwater usage: Remove and inspect the spark plugs for corrosion and
replace as necessary. Apply Anti‑Seize Compound only on the threads of
the spark plug prior to installation. Refer to Spark Plug Inspection and
Replacement.
Description
Anti-Seize Compound
• Check the tightness of bolts, nuts, and other fasteners—dealer service.
• Add Quickleen Engine and Fuel System Cleaner to the fuel tank.
Description
Quickleen Engine &
Fuel System Cleaner
• Check the cowl seals to ensure seals are intact and not damaged.
• Check that the intake silencer is in place, if equipped.
• Check that the idle relief muffler is in place, if equipped.
• Check for loose hose clamps and rubber boots on the air intake
assembly, if equipped.
EVERY 300 HOURS OF USE OR THREE YEARS
•
Check the power trim fluid. Refer to Checking Power Trim Fluid.
•
Replace the water pump impeller—dealer service.
• Lubricate the splines on the upper driveshaft—dealer service.
• Check all wiring and connectors—dealer service.
•
Replace the accessory drive belts. Refer to Accessory Drive Belts.
• Replace the spark plugs.
• Replace the boat‑mounted water‑separating low‑pressure fuel filter.
• Inspect the trim thrust guide wear pads.
BEFORE PERIODS OF STORAGE
•
Refer to the Storage section.
1. Replace the water pump impeller more often if overheating occurs or reduced water pressure is noted.
MAINTENANCE
Where Used
Spark plug threads
Where Used
Fuel tank
88
Part No.
92-898101389
Part No.
8M0047931
1.
eng