Mercury Racing HP565, Manual, Page: 76 / 151

MAINTENANCE
64
eng
Interval Task
Saltwater use:
Every 50 hours of
operation or every 60 days, whichever
occurs first.
Power package exterior surfaces ‑
Spray with rust preventative.
Every 100 hours of operation or once a
year, whichever occurs first.
Power package exterior surfaces ‑
Clean and paint.
Check engine cylinder
compression.
Oil coolers for the engine and
power steering ‑ Clean seawater
section.
Flame arrestor and crankcase
ventilation hose ‑ Inspect, clean or
replace.
Engine alignment ‑ Check.
Exhaust ‑ Check for signs of
water leakage.
Exhaust system internal and
external shutters ‑ Inspect.
MerCathode system ‑ Test output.
Every 100 hours of operation or
recommissioning after storage.
Fuel filters ‑ Replace.
Every 100 hours of operation or once a
season and whenever insufficient
seawater flow is suspected (if the
operating temperature exceeds normal).
Seawater pick‑up pump ‑
Disassemble and inspect.
Every 150 hours of operation
Replace positive crankcase
ventilation (PCV) valve.
Every 200 hours of operation.
Ignition system ‑ Clean and
inspect condition. Adjust or
replace spark plugs as needed.
Every 5 years.
Flush the closed cooling system
and refresh coolant.
Bravo Drive Maintenance Charts
NOTE: Only perform maintenance which applies to your
particular power package.