Mercury Racing HP525 EFI Bravo Sterndrive Series, Operation, Maintenance & Warranty Manual

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MAINTENANCE
64
eng
Interval Task
Every 25 hours of operation or once
every 30 days, whichever occurs first.
Crankcase oil and filter ‑ Change.
Check the oil level in the sea
pump/fuel pump and inspect for
fuel contamination.
Battery ‑ Check water level and
inspect for damage.
Fuel pump sight tube ‑ Ensure
that no fuel is present. Vapor or
condensation is acceptable.
Check the engine coolant level.
Every 50 hours or once a year,
whichever occurs first.
Perform all 25‑hour maintenance
items.
Serpentine and drive belts (All) ‑
Inspect condition and check
tension.
Cooling system hoses and clamps
‑ Inspect for damage and
deterioration. Check clamps for
tightness.
Electrical system ‑ Check for
loose or damaged wiring.
Continuity circuit ‑ Check
components for loose
connections, broken or frayed
wires.
Throttle cable and linkage ‑
Lubricate and inspect for loose,
damaged or missing parts.
Engine exhaust system ‑ Inspect
for damage, deterioration and
restrictions. Check clamps for
tightness.
Water separator filter ‑ Inspect (If
Installed on boat).
Freshwater use:
Twice a year.
Power package exterior surfaces ‑
Spray with rust preventative.
Saltwater use:
Every 50 hours of
operation or every 60 days, whichever
occurs first.
Power package exterior surfaces ‑
Spray with rust preventative.