MerCruiser 350 MAG Owner's Manual

MerCruiser

Engine

🧩  Manuals supported for 1 models of MerCruiser

  • SeaCore 377 MAG

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Table of Contents
  • Read this manual thoroughly

    3
  • Canada

    10
  • Transfer of Warranty

    11
  • Mercury MerCruiser Limited Warranty (Gasoline Fueled Products Only)

    12
  • Year Limited Warranty Against Corrosion

    14
  • Sterndrive Models with Gas Engines

    15
  • Global Warranty Charts

    16
  • Commercial Application Warranty Chart

    17
  • Government Application Warranty Chart

    18
  • Emission Control Information Label

    19
  • Owner Responsibility

    20
  • Section 2 - Getting to Know Your Power Package

    21
  • Identification

    22
  • Bravo Transom Serial Number

    23
  • Lanyard Stop Switch

    24
  • Instrumentation

    25
  • Analog Gauges

    26
  • Panel Mount Features

    27
  • Console Mount Features

    28
  • Console Mount Features ‑ Single Engine

    30
  • Engine

    31
  • Console Mount Features‑ Dual Engine

    32
  • Synchronizing Dual Engines

    33
  • Transfer

    34
  • Power Trim

    35
  • Single Engine Trim/Trailer

    36
  • Audio Warning System

    39
  • Warning Horn Signals

    40
  • Section 3 - On The Water

    41
  • Safe Boating Suggestions

    42
  • Be Alert to Carbon Monoxide Poisoning

    43
  • Poor Ventilation

    44
  • Starting and Stopping the Engine

    45
  • Stopping the Engine

    46
  • OCTOBER

    47
  • Throttle‑Only Operation

    49
  • Drain Plug and Bilge Pump

    50
  • Boats Having An Open Front Deck

    51
  • Impact with Underwater Hazards

    52
  • Drive Unit Impact Protection

    53
  • Cavitation

    54
  • Getting Started

    55
  • End of First Season Checkup

    56
  • Section 4 - Specifications

    57
  • Fuel Requirements

    58
  • Engine Oil

    59
  • Fluid Specifications

    60
  • Fluids

    61
  • Section 5 - Maintenance

    63
  • Owner/Operator Responsibilities

    64
  • Do‑It‑Yourself Maintenance Suggestions

    65
  • Maintenance Schedule—Sterndrive Models

    66
  • Maintenance Log

    67
  • Changing Oil and Filter

    69
  • Engine Oil Drain Pump

    70
  • Power Steering Fluid

    71
  • Changing

    72
  • Filling

    73
  • Drive Unit Oil

    74
  • Power Trim Fluid

    77
  • Cleaning the Flame Arrestor

    79
  • Positive Crankcase Ventilation Valve (PCV)

    80
  • GEN II Models

    81
  • GEN III Models

    82
  • Installation

    83
  • Throttle Cable

    85
  • Shift Cable ‑ Typical

    86
  • Engine Coupler

    87
  • Driveshaft Extension Models

    88
  • Alpha Propeller Installation

    89
  • Bravo One Propeller Removal

    90
  • Bravo Two Propeller Removal

    91
  • Bravo Three Propeller Removal

    92
  • Bravo Three Propeller Installation

    93
  • Serpentine Drive Belt

    95
  • Corrosion Protection

    97
  • Checking the Quicksilver MerCathode System

    98
  • Power Package Exterior Surfaces

    99
  • Sterndrive Surface Care

    101
  • Flushing the Power Package

    102
  • Sterndrive Water Pickups

    103
  • Alternative Water Pickups

    105
  • SeaCore Power Package Flushing Procedure

    106
  • Section 6 - Storage

    111
  • Cold Weather or Extended Storage

    112
  • Engine and Fuel System Preparation

    113
  • Draining the Seawater System

    114
  • Manual Single Point Drain System

    115
  • Air Actuated Single Point Drain System

    116
  • Boat out of the Water

    118
  • Manual Single‑Point Drain System

    120
  • Three Point Manual Drain System

    122
  • Multi‑Point Drain (MPD) System

    124
  • Draining the Sterndrive

    126
  • Battery Storage

    127
  • Section 7 - Troubleshooting

    129
  • Diagnosing EFI Problems

    130
  • Engine Will Not Start or Is Hard to Start

    131
  • Insufficient Engine Temperature

    132
  • Owner Service Assistance

    136
  • Parts and Accessories Inquiries

    137
  • Ordering Literature

    138

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