MerCruiser 350 MAG MPI Horizon Manuals

Manuals and User Guides for MerCruiser 350 MAG MPI Horizon. We have 3 MerCruiser 350 MAG MPI Horizon manuals available for free PDF download: User Manual, Owner's Manual

MerCruiser 350 MAG MPI Horizon User Manual (150 pages)

Gasoline Engines

Brand: MerCruiser | Category: Engine | Size: 9.23 MB

Read this Manual Thoroughly
3
Table of Contents
5
Warranty Registration: United States and Canada
10
Warranty Registration: Outside the United States and Canada
10
Transfer of Warranty
11
Mercury Product Protection Plan: United States and Canada
11
Mercury Mercruiser Limited Warranty (Gasoline-Fueled Products Only)
12
3-Year Limited Warranty against Corrosion
14
4-Year Limited Corrosion Warranty: Seacore Sterndrive Models with Gas Engines
15
Global Warranty Charts
16
Mercury Installation Quality Certification Program
19
- Section 1 - Warranty
  19
California Emissions Limited Warranty
20
Mercury Installation Quality Certification Program 11 California Emissions Limited Warranty
20
- What Is Covered
  20
California Emission Control Warranty Statement
23
- Manufacturer's Warranty Coverage
  24
- Owner's Warranty Responsibilities
  24
Emission Control Information Label
24
- Owner Responsibility
  25
Emission Certification Star Label
25
- Section 2 - Getting to Know Your Power Package
  27
Identification
28
Lanyard Stop Switch
30
Instrumentation
31
- System View
  31
- Digital Gauges
  32
- Analog Gauges
  33
Remote Controls (Non-DTS Models)
33
- Remote Controls
  33
  - Panel Mount Features
    34
  - Console Mount Features
    35
Remote Controls (DTS Models)
35
Power Trim
42
- Single Engine Trim/Trailer
  43
- Dual Engine Trim/Trailer
  43
Electrical System Overload Protection
43
Audio Warning System
46
- Testing the Audio Warning System
  46
Engine Guardian Strategy
46
Warning Horn Signals
47
Safe Boating Suggestions
50
Be Alert to Carbon Monoxide Poisoning
51
- Good Ventilation
  52
- Poor Ventilation
  52
Basic Boat Operation (Non-DTS Models)
52
- Launching and Boat Operation
  52
Section 3 - on the Water

52
- Operation Chart
  52
- Starting and Stopping the Engine
  53
  - Starting the Engine
    53
  - June
    53
  - Stopping the Engine
    54
  - Starting Engine after Stopped While in Gear
    54
  - Throttle Only Operation
    54
  - Trailering the Boat
    54
  - Freezing Temperature Operation
    54
  - Drain Plug and Bilge Pump
    55
- Basic Boat Operation (DTS Models)
  55
  - Launching and Boat Operation
    55
    
    Operation Chart
    55
    
    Starting and Stopping the Engine
    55
    
    Starting the Engine
    55
    
    Stopping the Engine
    56
    
    Throttle Only Operation
    57
    
    Trailering the Boat
    57
    
    Drain Plug and Bilge Pump
    58
    
    Freezing Temperature Operation
    58
- Protecting People in the Water
  58
  - While You Are Cruising
    58
  - While Boat Is Stationary
    58
- High-Speed and High-Performance Boat Operation
  58
- Passenger Safety in Pontoon Boats and Deck Boats
  59
  - Boats Having an Open Front Deck
    59
  - Boats with Front-Mounted, Raised Pedestal Fishing Seats
    59
- Wave and Wake Jumping
  59
- Impact with Underwater Hazards
  60
  - Drive Unit Impact Protection
    61
- Operating with Low Water Inlets in Shallow Water
  61
- Conditions Affecting Operation
  61
  - Weight Distribution (Passengers and Gear) Inside the Boat
    61
  - Bottom of Boat
    62
  - Cavitation
    62
  - Ventilation
    62
  - Elevation and Climate
    62
  - Propeller Selection
    63
- Getting Started
  63
  - 20-Hour Break-In Period
    63
  - After Break-In Period
    63
  - End of First Season Checkup
    64
Section 4 - Specifications

65
- Fuel Requirements
  66
- Engine Oil
  67
- Engine Specifications (MPI)
  67
  - Engine Specifications
    67
- Fluid Specifications (MPI)
  68
  - Fluid Specifications
    68
  - Engine
    68
  - Alpha Sterndrive
    69
  - Bravo Sterndrives
    69
  - Power-Assisted Steering and Power Trim Fluids
    69
    
    Approved Power Trim Fluids
    69
    
    Approved Power-Assisted Steering Fluids
    69
- Owner/Operator Responsibilities
  73
- Dealer Responsibilities
  73
- Maintenance
  73
- Do It Yourself Maintenance Suggestions
  74
- Inspection
  74
- Maintenance Schedule - Sterndrive Models
  75
  - Routine Maintenance
    75
    
    Each Day End
    75
    
    Each Day Start
    75
    
    Every Two Months or 50 Hours
    75
    
    Weekly
    75
  - Scheduled Maintenance
    75
    
    After the Initial 20 Hour Break-In Period
    75
    
    Every 100 Hours or Annually (Whichever Occurs First)
    75
Section 5 - Maintenance

75
- Every 200 Hours or 3 Years
  76
- Every 300 Hours or 3 Years
  76
- Every 5 Years
  76
- Maintenance Log
  76
- Engine Oil
  77
  - Checking
    77
  - Filling
    77
  - Changing Oil and Filter
    78
    
    Easy Engine Oil Drain System
    78
    
    Engine Oil Drain Pump
    79
    
    Changing Filter
    80
- Power Steering Fluid
  80
  - Checking
    80
  - Filling
    81
  - Changing
    81
- Engine Coolant
  81
  - Checking
    81
  - Filling
    82
  - Changing
    83
- Drive Unit Oil
  83
  - Checking
    83
  - Filling
    84
  - Changing
    85
- Power Trim Fluid
  87
  - Checking
    87
  - Filling
    87
  - Changing
    88
- Battery
  88
  - Multiple EFI Engine Battery Precautions
    88
- Cleaning the Flame Arrestor
  89
  - Positive Crankcase Ventilation Valve (PCV)
    90
    
    Changing
    90
- Water-Separating Fuel Filter (MPI)
  90
  - Water-Separating Fuel Filter
    90
  - GEN II Models
    91
    
    Installation
    91
    
    Removal
    91
    
    GEN III Models
    92
    
    Removal
    92
    
    Installation
    93
- Lubrication
  93
- Propellers
  98
  - Propeller Repair
    98
  - Alpha Propeller Removal
    98
  - Alpha Propeller Installation
    99
  - Bravo One Propeller Removal
    100
  - Bravo One Propeller Installation
    100
  - Bravo Two Propeller Removal
    101
  - Bravo Two Propeller Installation
    101
  - Bravo Three Propeller Removal
    102
  - Bravo Three Propeller Installation
    104
- Serpentine Drive Belt
  106
  - Checking
    106
  - Replacing Belt And/Or Adjusting Tension
    106
- Corrosion Protection
  107
  - Corrosion Information
    107
  - Maintaining Ground Circuit Continuity
    108
  - Anodes and Mercathode System Locations
    108
  - System
    109
  - Checking the Quicksilver Mercathode System
    109
  - Power Package Exterior Surfaces
    110
  - Boat Bottom Care
    110
  - Anti-Fouling Paint
    110
  - Sterndrive Surface Care
    112
- Flushing the Power Package
  113
  - Flushing Attachments
    113
  - Sterndrive Water Pickups
    114
  - Alternative Water Pickups
    116
  - The Seacore Power Package Flushing Procedure
    117
    
    Models Using the Sterndrive Water Pickup
    117
- Cold Weather or Extended Storage
  124
  - Preparing Power Package for Storage
    124
    
    Engine and Fuel System Preparation
    125
- Draining the Seawater System
  126
  - Drain System Identification
    127
    
    Air Actuated Single Point Drain System
    127
    
    Manual Single Point Drain System
    127
    
    Three Point Manual Drain System
    127
    
    Air Actuated Single Point Drain System
    128
    
    Boat in the Water
    128
    
    Multi-Point Drain (MPD) System
    128
- Section 6 - Storage
  129
  - Boat out of the Water
    130
  - Manual Single Point Drain System
    132
    
    Boat in the Water
    132
    
    Boat out of the Water
    133
    
    Boat in the Water
    134
    
    Three Point Manual Drain System
    134
    
    Boat out of the Water
    136
    
    Multi-Point Drain (MPD) System
    136
    
    Draining the Sterndrive
    138
- Battery Storage
  139
- Power Package Recommissioning
  139
Section 7 - Troubleshooting

141
- Diagnosing EFI Problems
  142
- Diagnosing DTS Problems
  142
- Engine Guardian System
  142
- Starter Motor will Not Crank Engine, or Cranks Slow
  142
- Engine will Not Start or Is Hard to Start
  142
- Engine Runs Rough, Misses And/Or Backfires
  143
- Poor Performance
  143
- Excessive Engine Temperature
  143
- June
  143
- Insufficient Engine Temperature
  144
- Low Engine Oil Pressure
  144
- Battery will Not Come up on Charge
  144
- Remote Control Operates Hard, Binds, Has Excessive Free-Play or Makes Unusual Sounds
  144
- Steering Wheel Turns Hard or Jerky
  144
- Power Trim Does Not Operate (Motor Does Not Operate)
  145
- Power Trim Does Not Operate (Motor Operates but Sterndrive Unit Does Not Move)
  145
  - Section 8 - Customer Assistance Information
    147
- Owner Service Assistance
  148
  - Local Repair Service
    148
  - Service Away from Home
    148
  - Stolen Power Package
    148
  - Attention Required after Submersion
    148
  - Replacement Service Parts
    148
    
    Parts and Accessories Inquiries
    149
  - Resolving a Problem
    149
  - Mercury Marine Service Offices
    149
- Ordering Literature
  150
  - United States and Canada
    150
  - Outside the United States and Canada
    150

MerCruiser 350 MAG MPI Horizon Owner's Manual (116 pages)

Brand: MerCruiser | Category: Engine | Size: 8.6 MB

Read this Manual Thoroughly
3
Table of Contents
5
Warranty Registration: United States and Canada
10
Warranty Registration: Outside the United States and Canada
10
Transfer of Warranty
11
Mercury Product Protection Plan: United States and Canada
11
Mercury Mercruiser Limited Warranty (Gasoline-Fueled Products Only)
12
3-Year Limited Warranty against Corrosion
14
4-Year Limited Corrosion Warranty: Seacore Sterndrive Models with Gas Engines
15
Global Warranty Charts
16
Mercury Installation Quality Certification Program 11 California Emissions Limited Warranty
20
Emission Control Information Label
24
- Owner Responsibility
  25
Emission Certification Star Label
25
- Section 2 - Getting to Know Your Power Package
  27
Lanyard Stop Switch
28
Instrumentation
29
- System View
  29
- Digital Gauges
  30
- Analog Gauges
  30
Remote Controls (Non-DTS Models)
31
- Remote Controls
  31
  - Panel Mount Features
    31
  - Console Mount Features
    32
  - Zero Effort Features
    32
Remote Controls (DTS Models)
33
Electrical System Overload Protection
38
Audio Warning System
40
- Testing the Audio Warning System
  40
Engine Guardian Strategy
40
Transmission Guardian Strategy
41
Warning Horn Signals
41
Safe Boating Suggestions
44
Be Alert to Carbon Monoxide Poisoning
45
- Good Ventilation
  46
- Poor Ventilation
  46
Basic Boat Operation (Non-DTS Models)
46
- Launching and Boat Operation
  46
  - Operation Chart
    46
  - Starting and Stopping the Engine
    47
  - Starting the Engine
    47
Section 3 - on the Water

47
- Stopping the Engine
  48
- Throttle Only Operation
  48
- Freezing Temperature Operation
  48
- Drain Plug and Bilge Pump
  48
- Basic Boat Operation (DTS Models)
  48
  - Launching and Boat Operation
    48
    
    June
    48
    
    Operation Chart
    48
    
    Starting and Stopping the Engine
    49
    
    Starting the Engine
    49
    
    Stopping the Engine
    50
    
    Throttle Only Operation
    50
    
    Drain Plug and Bilge Pump
    51
    
    Freezing Temperature Operation
    51
- Protecting People in the Water
  51
  - While You Are Cruising
    51
  - While Boat Is Stationary
    52
- High-Speed and High-Performance Boat Operation
  52
- Passenger Safety in Pontoon Boats and Deck Boats
  52
  - Boats Having an Open Front Deck
    52
  - Boats with Front-Mounted, Raised Pedestal Fishing Seats
    52
- Wave and Wake Jumping
  53
- Impact with Underwater Hazards
  53
- Conditions Affecting Operation
  54
  - Weight Distribution (Passengers and Gear) Inside the Boat
    54
  - Bottom of Boat
    54
  - Cavitation
    55
  - Ventilation
    55
  - Elevation and Climate
    55
- Getting Started
  55
  - 20-Hour Break-In Period
    55
  - After Break-In Period
    56
  - End of First Season Checkup
    56
Section 4 - Specifications

57
- Cruising RPM
  58
- Fuel Requirements
  58
- Engine Oil
  59
- Engine Specifications
  60
  - Tow Sports Models
    60
  - Inboard Models
    61
- Fluid Specifications
  61
  - Engine
    61
  - Transmission
    62
- Owner/Operator Responsibilities
  64
- Dealer Responsibilities
  64
- Maintenance
  64
- Do It Yourself Maintenance Suggestions
  65
- Inspection
  65
- Maintenance Schedule - Inboard Models
  66
  - Routine Maintenance
    66
    
    Each Day End
    66
    
    Each Day Start
    66
    
    Every Two Months or 50 Hours
    66
    
    Weekly
    66
  - Scheduled Maintenance
    66
    
    After the Initial 20 Hour Break-In Period
    66
    
    Every 100 Hours or Annually (Whichever Occurs First)
    66
    
    Every 300 Hours or 3 Years
    66
- Maintenance Log
  67
- Engine Oil
  67
  - Checking
    67
  - Filling
    68
Section 5 - Maintenance

68
- Changing Oil and Filter
  69
  - Easy Engine Oil Drain System
    69
  - Engine Oil Drain Pump
    69
  - Changing Filter
    70
- Transmission Fluid
  71
  - Checking While the Engine Is Warm
    71
  - Checking While Engine Is Cold
    71
  - Changing
    71
- Engine Coolant
  71
  - Checking
    71
  - Filling
    72
  - Changing
    73
- Cleaning the Flame Arrestor
  73
  - Positive Crankcase Ventilation Valve (PCV)
    74
    
    Changing
    74
- Changing Water Separating Fuel Filter
  75
  - GEN II Models
    75
  - GEN III Models
    76
- In-Line Fuel Filter
  78
- Lubrication
  80
  - Throttle Cable
    80
  - Transmission Linkage
    80
- Serpentine Drive Belt
  81
  - Checking
    81
  - June
    81
  - Replacing Belt And/Or Adjusting Tension
    82
- Flushing the Power Package-Tow Sports
  83
  - The Boat out of the Water
    83
  - The Boat in the Water
    85
  - Battery
    87
    
    Multiple EFI Engine Battery Precautions
    87
    
    Section 6 - Storage
    89
- Cold Weather or Extended Storage
  90
  - Preparing Power Package for Storage
    90
    
    Engine and Fuel System Preparation
    91
- Draining the Seawater System
  92
  - Drain System Identification
    92
    
    Air Actuated Single Point Drain System
    92
    
    Manual Single Point Drain System
    93
    
    Three Point Manual Drain System
    93
    
    Air Actuated Single Point Drain System
    94
    
    Boat in the Water
    94
    
    Multi-Point Drain (MPD) System
    94
    
    Boat out of the Water
    97
    
    Boat in the Water
    99
    
    Manual Single Point Drain System
    99
    
    Boat out of the Water
    100
    
    Boat in the Water
    101
    
    Three Point Manual Drain System
    101
    
    Boat out of the Water
    102
    
    Boat out of the Water
    103
    
    Multi-Point Drain (MPD) System
    103
    
    Boat in the Water
    105
    
    Battery Storage
    107
    
    Power Package Recommissioning
    107
- Diagnosing EFI Problems
  110
- Diagnosing DTS Problems
  110
- Engine Guardian System
  110
- Starter Motor will Not Crank Engine, or Cranks Slow
  110
- Engine will Not Start or Is Hard to Start
  110
  - Section 7 - Troubleshooting
    110
- Engine Runs Rough, Misses And/Or Backfires
  111
- Poor Performance
  111
- Owner Service Assistance
  114
  - Local Repair Service
    114
  - Service Away from Home
    114
  - Stolen Power Package
    114
  - Attention Required after Submersion
    114
  - Replacement Service Parts
    114
    
    Mercury Marine Service Offices
    115
    
    Parts and Accessories Inquiries
    115
    
    Resolving a Problem
    115
    
    Ordering Literature
    116
    
    Outside the United States and Canada
    116
    
    United States and Canada
    116

MerCruiser 350 MAG MPI Horizon Owner's Manual (98 pages)

Brand: MerCruiser | Category: Engine | Size: 8.84 MB

Read this Manual Thoroughly
2
Table of Contents
5
Warranty Registration: United States and Canada
10
Warranty Registration: Outside the United States and Canada
10
Transfer of Warranty
10
Mercury Product Protection Plan: United States and Canada
11
Mercury Mercruiser Limited Warranty (Gasoline-Fueled Products Only)
11
3-Year Limited Warranty against Corrosion
13
4-Year Limited Corrosion Warranty: Seacore Sterndrive Models with Gas Engines
14
Global Warranty Charts
15
Mercury Installation Quality Certification Program
18
- Section 1 - Warranty
  18
California Emissions Limited Warranty
19
- What Is Covered
  19
- Duration of Coverage
  19
- How to Obtain Warranty Coverage
  20
- What Mercury will Do
  20
- What Is Not Covered
  20
- Disclaimers and Limitations
  20
California Emission Control Warranty Statement
20
Emission Control Information Label
21
- Owner Responsibility
  22
Emission Certification Star Label
22
- Section 2 - Getting to Know Your Power Package
  25
Lanyard Stop Switch
26
Instrumentation
27
- System View
  27
- Digital Gauges
  27
- Analog Gauges
  27
Remote Controls (Non-DTS Models)
28
- Remote Controls
  28
  - Panel Mount Features
    28
  - Console Mount Features
    29
  - Zero Effort Features
    29
Remote Controls (DTS Models)
29
Electrical System Overload Protection
34
Audio Warning System
35
- Testing the Audio Warning System
  36
Engine Guardian Strategy
36
Transmission Guardian Strategy
36
Warning Horn Signals
36
Safe Boating Suggestions
38
Be Alert to Carbon Monoxide Poisoning
39
- Good Ventilation
  39
- Poor Ventilation
  39
Basic Boat Operation (Non-DTS Models)
40
- Launching and Boat Operation
  40
  - Operation Chart
    40
  - Starting and Stopping the Engine
    40
  - Starting the Engine
    40
  - Drain Plug and Bilge Pump
    41
  - Freezing Temperature Operation
    41
  - Stopping the Engine
    41
  - Throttle-Only Operation
    41
Basic Boat Operation (DTS Models)
41
- Launching and Boat Operation
  41
  - Operation Chart
    41
  - Starting and Stopping the Engine
    42
  - Starting the Engine
    42
  - Stopping the Engine
    43
  - Throttle-Only Operation
    43
Section 3 - on the Water

43
Section 4 - Specifications

49
- Cruising RPM
  50
- Fuel Requirements
  50
- Engine Oil
  51
- Engine Specifications
  51
  - Tow Sports Models
    51
  - Inboard Models
    52
- Fluid Specifications
  52
  - Engine
    52
  - Transmission
    53
- Owner/Operator Responsibilities
  56
- Dealer Responsibilities
  56
- Maintenance
  56
- Do-It-Yourself Maintenance Suggestions
  56
- Inspection
  57
- Maintenance Schedule - Inboard Models
  57
  - Routine Maintenance
    57
    
    Each Day End
    57
    
    Each Day Start
    57
    
    Every Two Months or 50 Hours
    57
    
    Weekly
    57
  - Scheduled Maintenance
    57
    
    After the Initial 20 Hour Break-In Period
    57
    
    Every 100 Hours or Annually (Whichever Occurs First)
    58
    
    Every 300 Hours or 3 Years
    58
- Maintenance Log
  58
- Engine Oil
  59
  - Checking
    59
  - Filling
    59
  - Changing Oil and Filter
    60
    
    Easy Engine Oil Drain System
    60
    
    Engine Oil Drain Pump
    60
    
    Changing Filter
    61
- Transmission Fluid
  61
- Section 5 - Maintenance
  61
  - Checking While the Engine Is Warm
    61
  - Checking While Engine Is Cold
    61
  - Changing
    61
- Engine Coolant
  62
  - Checking
    62
  - Filling
    62
  - Changing
    63
- Cleaning the Flame Arrestor
  63
  - Positive Crankcase Ventilation Valve (PCV)
    64
    
    Changing
    64
- Changing Water Separating Fuel Filter
  65
  - GEN II Models
    65
  - GEN III Models
    66
- In-Line Fuel Filter
  67
- Lubrication
  68
  - Throttle Cable
    68
  - Transmission Linkage
    68
- Serpentine Drive Belt
  70
  - Checking
    70
  - Replacing Belt And/Or Adjusting Tension
    70
- Flushing the Power Package-Tow Sports
  71
  - The Boat out of the Water
    71
  - The Boat in the Water
    72
- Battery
  74
  - Multiple EFI Engine Battery Precautions
    74
- Section 6 - Storage
  75
- Cold Weather or Extended Storage
  76
  - Preparing Power Package for Storage
    76
    
    Engine and Fuel System Preparation
    76
- Draining the Seawater System
  77
  - Drain System Identification
    78
    
    Air Actuated Single Point Drain System
    78
    
    Manual Single Point Drain System
    78
    
    Multi-Point Drain (MPD) System
    79
    
    Three Point Manual Drain System
    79
    
    Air Actuated Single Point Drain System
    80
    
    Boat in the Water
    80
    
    Boat out of the Water
    81
    
    Boat in the Water
    83
    
    Manual Single-Point Drain System
    83
    
    Boat out of the Water
    84
    
    Boat in the Water
    85
    
    Three-Point Manual Drain System
    85
    
    Boat out of the Water
    86
    
    Multi-Point Drain (MPD) System
    86
    
    Boat in the Water
    88
- Battery Storage
  89
- Recommissioning the Power Package
  89
- Diagnosing EFI Problems
  92
- Diagnosing DTS Problems
  92
- Engine Guardian System
  92
- Starter Motor will Not Crank Engine, or Cranks Slow
  92
- Engine will Not Start or Is Hard to Start
  92
- Engine Runs Rough, Misses, or Backfires
  93
- Poor Performance
  93
- Excessive Engine Temperature
  93
- Insufficient Engine Temperature
  93
- Low Engine Oil Pressure
  94
- Battery will Not Recharge
  94
- Remote Control Is Difficult to Move, Has Excessive Play, or Makes Unusual Sounds
  94
- Steering Wheel Jerks or Is Difficult to Turn
  94
  - Section 8 - Customer Assistance Information
    95
- Owner Service Assistance
  96
  - Local Repair Service
    96
  - Service Away from Home
    96
  - Stolen Power Package
    96
  - Attention Required after Submersion
    96
  - Replacement Service Parts
    96
    
    Parts and Accessories Inquiries
    96
    
    Resolving a Problem
    96
    
    Mercury Marine Service Offices
    97
  - Ordering Literature
    97
    
    United States and Canada
    97
    
    Outside the United States and Canada
    98

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