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

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MAINTENANCE
66
eng
Interval Task
Every 25 hours of operation or once
every 30 days, whichever occurs first.
Gear housing water pickups ‑
Check for marine growth or debris.
Anodes ‑ Inspect for erosion.
Sterndrive unit oil ‑ Check level.
Trim pump ‑ Check oil level
Saltwater use:
Every 50 hours of
operation or 60 days, whichever occurs
first.
Propeller shaft ‑ Lubricate.
Every 50 hours or once a year,
whichever occurs first.
Perform all 25 hour maintenance
items.
Shift cable and linkage ‑ Lubricate
and inspect for loose, damaged or
missing parts.
Engine coupler and universal joint
shaft splines and O‑rings ‑
Lubricate.
Sterndrive unit ‑ Oil change.
Sterndrive unit universal joint cross
bearings ‑ Inspect and lubricate.
Gimbal ring clamping screws ‑
Re‑torque to 67‑74 Nm
(50‑55 lb. ft.).
Gimbal bearing ‑ Lubricate.
Transom gimbal housing assembly
swivel shaft and gimbal bearing ‑
Lubricate.
Engine driveshaft ‑ Lubricate (drive
line models).
Engine output shaft bearings ‑
Lubricate (drive line models).
Input shaft/rear bearing support
block bearing ‑ Lubricate (drive line
models).
Steering system ‑ Lubricate and
inspect for loose, damaged or
missing parts.
Propeller shaft ‑ Inspect for
bending.