Maintenance
Service Responsibilities.................................................................................... 43
Replacement Service Parts.............................................................................. 43
Do‑It‑Yourself Maintenance Suggestions......................................................... 44
Servicing High‑Horsepower Engines................................................................ 45
Engine Maintenance Charts............................................................................. 45
Bravo Drive Maintenance Charts...................................................................... 47
Checking Fluid Levels.......................................................................................50
Closed Cooling System.................................................................................... 54
Changing Fluids................................................................................................ 57
Lubrication........................................................................................................ 63
Propellers..........................................................................................................66
Flushing the Power Package............................................................................ 69
Cleaning Seawater (Raw Water) Section of Oil Cooler.................................... 73
Changing Positive Crankcase Ventilation Valve............................................... 74
Cleaning the Flame Arrestor............................................................................. 74
Serpentine Drive Belt........................................................................................ 76
Water‑Separating Fuel Filter.............................................................................79
Corrosion and Corrosion Protection................................................................. 81
Battery.............................................................................................................. 87
Bottom of Boat.................................................................................................. 87
Inspection and Maintenance............................................................................. 88
Attention Required After Submersion............................................................... 88
Cold Weather or Extended Storage
Draining the Seawater System......................................................................... 89
Drain System Identification............................................................................... 89
Air‑Actuated Single‑Point Drain System........................................................... 91
Manual Drain System....................................................................................... 96
Draining Water from the Cool Fuel Module...................................................... 98
Battery Storage................................................................................................. 99
Recommissioning the Power Package............................................................. 99
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