MAINTENANCE
56
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
ENGINE & TRANSMISSION MAINTENANCE CHART
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.
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
Initial break‑in at 25 hours of operation
Change the fuel filter ‑ At recommended
intervals thereafter
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