Owner`s manual
MAINTENANCE
52
IMPORTANT: Refer to the Maintenance Charts (on following
pages) for a complete listing of all scheduled maintenance to be
performed. Some listings can be done by the owner/operator,
while others should be performed by an authorized Mercury
Marine dealer. Before attempting maintenance or repair
procedures not covered in this manual, Mercury Marine
recommends purchasing a Mercury Marine Service Manual.
Maintenance Charts
NOTE: The following maintenance charts should be used as a
guideline. Depending on the type of boat, optional equipment, the
application and/or conditions of use, it may be required that the
maintenance intervals be modified. Work closely with your
authorized Mercury Marine dealer to develop a specific
maintenance schedule designed for your application.
ENGINE MAINTENANCE SCHEDULE
Interval Task
Check prior to every use and every 3
hours of operation
Engine Crankcase Oil ‑ Check level
Seawater Filter ‑ Check for debris or
leakage
Power Steering Fluid ‑ Check level
Transmission Fluid ‑ Check level
Supercharger ‑ Check oil level in
sight‑glass
Fuel Pump Sight Tube ‑ Ensure that
no fuel is present. Vapor or
condensation is acceptable
After every use in salty, brackish, or
mineral‑laden water
Flush the seawater section of the
cooling system
Every 25 hours of operation or once
every 30 days, whichever occurs first
Battery ‑ Check water level and
inspect for corrosion or damage
Inspect external water pickups ‑
Check for marine growth or debris
Sea Pump/Fuel Pump ‑ Check the oil
level and inspect for fuel
contamination