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Mercury 4.3 MPI SeaCore User Manual

Mercury 4.3 MPI SeaCore
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Section 4 - Maintenance
90-8M0113859 eng DECEMBER 2015 Page 43
Section 4 - Maintenance
Table of Contents
Additional Operation Instructions for Axius Systems ........... 44
Owner/Operator Responsibilities.......................................... 44
Dealer Responsibilities......................................................... 44
Maintenance......................................................................... 44
Do‑It‑Yourself Maintenance Suggestions............................. 44
Inspection............................................................................. 45
Maintenance Schedule—Sterndrive Models........................ 45
Routine Maintenance..................................................... 45
Scheduled Maintenance................................................ 46
Engine Oil............................................................................. 47
Checking........................................................................ 47
Oil Level—Overfilled .............................................. 47
Filling............................................................................. 48
Changing Oil and Filter.................................................. 48
Engine Oil Drain Pump.................................................. 48
Changing Filter.............................................................. 49
Power Steering Fluid............................................................ 50
Checking ....................................................................... 50
Filling ............................................................................ 50
Changing ...................................................................... 50
Engine Coolant..................................................................... 50
Checking........................................................................ 50
Filling............................................................................. 51
Changing ...................................................................... 52
Alpha Sterndrive Gear Lube................................................. 52
Checking ....................................................................... 52
Filling ............................................................................ 53
Changing ...................................................................... 53
Bravo Sterndrive Gear Lube................................................. 55
Checking........................................................................ 55
Filling............................................................................. 55
Changing....................................................................... 55
Power Trim Fluid.................................................................. 57
Checking ....................................................................... 57
Filling ............................................................................ 57
Changing ...................................................................... 57
Battery.................................................................................. 58
Auxiliary Batteries.......................................................... 58
Multiple EFI Engine Battery Precautions....................... 58
Cleaning the Flame Arrestor................................................. 58
Positive Crankcase Ventilation (PCV) Valve ................ 60
Changing ............................................................... 61
Cleaning the IAC Muffler...................................................... 61
Water‑Separating Fuel Filter (MPI)....................................... 62
Water‑Separating Fuel Filter..........................................62
Gen II Models................................................................ 62
Removal ................................................................ 62
Installation ............................................................. 62
Gen III Models............................................................... 63
Removal ................................................................ 63
Installation ............................................................. 63
Lubrication............................................................................ 64
Steering System............................................................ 64
Throttle Cable................................................................ 65
Shift Plate Control Cable Lubrication............................. 66
Shift Cable ‑ DTS........................................................... 66
Driveshaft U‑joint Splines and O‑Rings (Sterndrive Unit
Removed)...................................................................... 66
Engine Coupler.............................................................. 67
Driveshaft Extension Models......................................... 67
Propellers............................................................................. 67
Propeller Repair............................................................. 67
Alpha or Bravo One Propeller Removal.........................68
Alpha or Bravo One Propeller Installation......................68
Bravo Two Propeller Removal....................................... 69
Bravo Two Propeller Installation.................................... 69
Bravo Three Propeller Removal.................................... 70
Bravo Three Propeller Installation................................. 71
Serpentine Drive Belt............................................................ 72
Checking ....................................................................... 72
Replacing Belt and/or Adjusting Tension ...................... 73
Corrosion Protection............................................................. 74
Corrosion Information.................................................... 74
Maintaining Ground Circuit Continuity........................... 74
Sterndrive Corrosion Protection Components............... 74
MerCathode System Battery Requirements.................. 76
MerCathode Theory of Operation.................................. 76
Power Package Exterior Surfaces................................. 77
Boat Bottom Care.......................................................... 77
Painting Your Power Package....................................... 77
Sterndrive Surface Care................................................ 78
Important Information About Flushing Procedures............... 79
Flushing Attachments ................................................... 79
Flushing the Power Package (Alpha)................................... 79
Flushing Attachments ................................................... 80
Sterndrive Water Pickups ............................................. 80
Flushing the Power Package (Bravo)................................... 81
General Information....................................................... 81
Flushing the Power Package......................................... 81
Flushing Attachments ............................................ 81
Sterndrive Water Pickups ...................................... 82
Alternative Water Pickups ..................................... 83
SeaCore Power Package Flushing Procedure.............. 84
Models Using The Sterndrive Water Pickup .......... 84
4

Table of Contents

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Mercury 4.3 MPI SeaCore Specifications

General IconGeneral
BrandMercury
Model4.3 MPI SeaCore
CategoryEngine
LanguageEnglish

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