Mercury Bravo Sterndrive 520 - Warranty Coverage and Exclusions for Mercury Racing Sterndrive Products

Maintenance
Service Responsibilities.................................................................................... 45
Replacement Service Parts.............................................................................. 45
Do‑It‑Yourself Maintenance Suggestions......................................................... 46
Servicing High‑Horsepower Engines................................................................ 47
Engine Maintenance Charts............................................................................. 47
Bravo Drive Maintenance Charts...................................................................... 49
Checking Fluid Levels.......................................................................................52
Closed Cooling System.................................................................................... 56
Changing Fluids................................................................................................ 59
Lubrication........................................................................................................ 65
Propellers..........................................................................................................67
Flushing the Power Package............................................................................ 70
Cleaning Seawater (Raw Water) Section of Oil Cooler.................................... 74
Changing Positive Crankcase Ventilation Valve............................................... 75
Cleaning the Flame Arrestor............................................................................. 75
Serpentine Drive Belt........................................................................................ 77
Water‑Separating Fuel Filter.............................................................................80
Corrosion and Corrosion Protection................................................................. 82
Battery.............................................................................................................. 89
Bottom of Boat.................................................................................................. 89
Inspection and Maintenance............................................................................. 90
Attention Required After Submersion............................................................... 90
Cold Weather or Extended Storage
Draining the Seawater System......................................................................... 91
Drain System Identification............................................................................... 91
Air‑Actuated Single‑Point Drain System........................................................... 93
Manual Drain System....................................................................................... 99
Draining Water from the Cool Fuel Module.................................................... 102
Battery Storage............................................................................................... 102
Recommissioning the Power Package........................................................... 102
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