MerCruiser 8.1 MAG Manuals

Manuals and User Guides for MerCruiser 8.1 MAG. We have 2 MerCruiser 8.1 MAG manuals available for free PDF download: Owner's Manual

MerCruiser 8.1 MAG Owner's Manual (152 pages)

Brand: MerCruiser | Category: Engine | Size: 9.5 MB

Read this Manual Thoroughly
3
Table of Contents
5
Section 1 - Warranty

9
Section 3 - on the Water

47
- Safe Boating Suggestions
  48
- Be Alert to Carbon Monoxide Poisoning
  49
  - Good Ventilation
    49
  - Poor Ventilation
    50
- Basic Boat Operation (Non-DTS Models)
  50
  - Launching and Boat Operation
    50
    
    Operation Chart
    50
    
    August
    51
    
    Starting and Stopping the Engine
    51
    
    Starting the Engine
    51
    
    Freezing Temperature Operation
    52
    
    Starting the Engine after It Has Been Stopped While in Gear
    52
    
    Stopping the Engine
    52
    
    Throttle-Only Operation
    52
    
    Trailering the Boat
    52
    
    Drain Plug and Bilge Pump
    53
- Basic Boat Operation (DTS Models)
  53
  - Launching and Boat Operation
    53
    
    Operation Chart
    53
    
    Starting and Stopping the Engine
    53
    
    Starting the Engine
    53
    
    Stopping the Engine
    54
    
    Freezing Temperature Operation
    55
    
    Throttle-Only Operation
    55
    
    Trailering the Boat
    55
    
    Drain Plug and Bilge Pump
    56
- Protecting People in the Water
  56
  - While You Are Cruising
    56
  - While Boat Is Stationary
    56
- High-Speed and High-Performance Operation
  56
- Passenger Safety in Pontoon Boats and Deck Boats
  56
  - Boats Having an Open Front Deck
    57
  - Boats with Front-Mounted, Raised Pedestal Fishing Seats
    57
- Wave and Wake Jumping
  57
- Impact with Underwater Hazards
  58
  - Drive Unit Impact Protection
    59
- Operating with Low Water Inlets in Shallow Water
  59
- Conditions Affecting Operation
  59
  - Weight Distribution (Passengers and Gear) Inside the Boat
    59
  - The Bottom of the Boat
    59
  - Cavitation
    60
  - Ventilation
    60
  - Elevation and Climate
    60
  - Propeller Selection
    60
- Getting Started
  61
  - 20-Hour Break-In Period
    61
  - After Break-In Period
    61
  - End of First Season Checkup
    61
- Fuel Requirements
  64
- Engine Oil
  65
- Engine Specifications
  66
- Fluid Specifications
  67
- Owner/Operator Responsibilities
  71
- Dealer Responsibilities
  71
- Maintenance
  71
- Do-It-Yourself Maintenance Suggestions
  72
- Inspection
  72
- Maintenance Schedules
  73
  - Routine Maintenance
    73
  - Scheduled Maintenance
    73
Section 4 - Specifications

73
- Maintenance Log
  74
- Engine Oil
  75
  - Checking
    75
  - Filling
    75
Section 5 - Maintenance

75
- Changing Oil and Filter
  76
  - Easy Engine Oil Drain System
    76
  - Engine Oil Drain Pump
    77
  - Changing Filter
    77
- Power Steering Fluid
  78
  - Checking
    78
  - Filling
    79
  - Changing
    79
- Engine Coolant
  79
  - Checking
    79
  - Filling
    80
  - Changing
    80
- Drive Unit Oil
  80
  - Checking
    80
  - Filling
    81
  - Changing
    82
- Power Trim Fluid
  84
  - Checking
    84
  - Filling
    84
  - Changing
    85
- Battery
  85
  - Multiple EFI Engine Battery Precautions
    85
- Cleaning the Flame Arrestor
  86
- Cleaning the IAC Muffler
  86
- Water-Separating Fuel Filter
  87
  - GEN III Models
    88
    
    Removal
    88
    
    Installation
    89
- Lubrication
  89
  - Steering System
    89
  - Throttle Cable
    91
  - Shift Cable - Typical
    92
  - Sterndrive Unit and Transom Assembly
    92
  - Sterndrive U-Joint Shaft Splines and O-Rings (Sterndrive Unit Removed)
    93
  - Engine Coupler
    93
  - Engine Coupler
    94
  - Driveshaft Extension Models
    94
- Propellers
  95
  - Propeller Repair
    95
  - Bravo Sterndrive Propeller Removal
    95
    
    Bravo One Models
    95
    
    Bravo Two Models
    97
    
    Bravo Three Models
    98
    
    Bravo One Models
    100
    
    Bravo Sterndrive Propeller Installation
    100
    
    Bravo Two Models
    102
    
    Bravo Three
    103
- Serpentine Drive Belt
  105
  - Checking
    105
  - Replacing
    105
- Corrosion Protection
  107
  - Corrosion Information
    107
  - Maintaining Ground Circuit Continuity
    107
  - Anodes and Mercathode System Locations
    107
  - Checking the Quicksilver Mercathode System
    108
  - Power Package Exterior Surfaces
    109
  - Boat Bottom Care
    109
  - Anti-Fouling Paint
    109
  - Sterndrive Surface Care
    111
- Draining the Seawater System
  112
  - Drain System Identification
    112
    
    Air Actuated Single Point Drain System
    113
    
    Air-Actuated Single-Point Drain System
    113
    
    Boat in the Water
    113
    
    Manual Drain System
    113
    
    Boat out of the Water
    115
  - Manual Drain System
    117
    
    Boat in the Water
    117
    
    Boat out of the Water
    118
  - Draining the Sterndrive
    119
  - Manual Drain System - 8.1 Models
    119
- Flushing the Power Package
  121
  - Flushing Attachments
    121
  - Sterndrive Water Pickups
    122
  - Alternative Water Pickups
    124
  - Seacore Power Package Flushing Procedure
    125
    
    Models Using the Sterndrive Water Pickup
    125
- Section 6 - Storage
  131
- Cold Weather or Extended Storage
  132
  - Preparing Power Package for Storage
    132
    
    Engine and Fuel System Preparation
    133
- Draining the Seawater System
  134
  - Drain System Identification
    134
    
    Air Actuated Single Point Drain System
    134
    
    Air Actuated Single Point Drain System
    135
    
    Boat in the Water
    135
    
    Manual Drain System
    135
    
    Boat out of the Water
    137
  - Manual Drain System
    139
    
    Boat in the Water
    139
    
    Boat out of the Water
    140
  - Draining the Sterndrive
    140
- Battery Storage
  141
- Power Package Recommissioning
  141
- Diagnosing EFI Problems
  144
- Diagnosing DTS Problems
  144
- Engine Guardian System
  144
- Starter Motor will Not Crank Engine, or Cranks Slow
  144
- Engine will Not Start or Is Hard to Start
  145
- Engine Runs Rough, Misses, or Backfires
  145
- Poor Performance
  145
- Excessive Engine Temperature
  145
Section 7 - Troubleshooting

145

MerCruiser 8.1 MAG Owner's Manual (148 pages)

with Emissions Control

Brand: MerCruiser | Category: Marine engines | Size: 11.36 MB

Table of Contents
5
Section 1 - Warranty
9
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
Consumer Application Warranty Chart
17
Commercial Application Warranty Chart
18
Government Application Warranty Chart
19
California Emissions Limited Warranty
19
What Is Covered
20
Duration of Coverage
20
How to Obtain Warranty Coverage
21
What Mercury will Do
21
What Is Not Covered
21
Components of the Emission Control System
21
Components of the Emission Control System 13 Disclaimers and Limitations
23
Disclaimers and Limitations
23
Mercury Installation Quality Certification Program
23
Your Warranty Rights and Obligations
24
Manufacturer's Warranty Coverage
24
Owner's Warranty Responsibilities
24
California Emission Control Warranty Statement
24
Emission Control Information Label
25
Owner Responsibility
26
Emission Certification Star Label
26
Section 2 - Getting to Know Your Power Package
29
Identification
30
Engine Serial Number Decal
30
Bravo Sterndrive Serial Number and Identification
30
Bravo Transom Serial Number
31
Lanyard Stop Switch
32
Instrumentation
33
System View
33
Digital Gauges
34
Analog Gauges
35
Remote Controls (Non-DTS Models)
35
Remote Controls
35
Panel Mount Features
36
Console Mount Features
37
Zero Effort Features
38
Remote Controls (DTS Models)
38
Remote Controls
38
Panel Mount Features
39
Console Mount Features - Single Engine
40
Slim Binnacle Console Mount Features - Single Engine
41
Console Mount Features- Dual Engine
42
Synchronizing Dual Engines
43
Dual Helm Station Transfer
43
Synchronizing Dual Helms Prior to Station Transfer
44
Zero Effort Features
44
Power Trim
45
Single Engine Trim/Trailer
46
Dual Engine Trim/Trailer
46
Trim Without Key
46
Trim Delta
47
Electrical System Overload Protection
47
Audio Warning System
50
Testing the Audio Warning System
50
Engine Guardian Strategy
50
Warning Horn Signals
51
Section 3 - on the Water
53
Safe Boating Suggestions
54
Be Alert to Carbon Monoxide Poisoning
55
Good Ventilation
56
Poor Ventilation
56
Basic Boat Operation (Non-DTS Models)
56
Launching and Boat Operation
56
Operation Chart
57
Starting and Stopping the Engine
57
Starting the Engine
57
Stopping the Engine
58
Starting Engine after Stopped While in Gear
58
Throttle Only Operation
58
Trailering the Boat
58
Freezing Temperature Operation
59
Drain Plug and Bilge Pump
59
Basic Boat Operation (DTS Models)
59
Launching and Boat Operation
59
Operation Chart
59
Starting and Stopping the Engine
60
Starting the Engine
60
Stopping the Engine
61
Throttle Only Operation
61
Trailering the Boat
62
Freezing Temperature Operation
62
Drain Plug and Bilge Pump
62
Protecting People in the Water
62
While You Are Cruising
62
While Boat Is Stationary
62
High-Speed and High-Performance Boat Operation
63
Passenger Safety in Pontoon Boats and Deck Boats
63
Boats Having an Open Front Deck
63
Boats with Front-Mounted, Raised Pedestal Fishing Seats
63
Wave and Wake Jumping
64
Impact with Underwater Hazards
64
Drive Unit Impact Protection
65
Operating with Low Water Inlets in Shallow Water
65
Conditions Affecting Operation
66
Weight Distribution (Passengers and Gear) Inside the Boat
66
Bottom of Boat
66
Cavitation
66
Ventilation
66
Elevation and Climate
66
Propeller Selection
67
Getting Started
67
20-Hour Break-In Period
67
After Break-In Period
68
End of First Season Checkup
68
Fuel Requirements
70
Fuel Ratings
70
Using Reformulated (Oxygenated) Gasoline (USA Only)
70
Gasoline Containing Alcohol
70
Engine Oil
71
Engine Specifications
71
Section 4 - Specifications
72
Fluid Specifications
72
Engine
72
Bravo Sterndrives
72
Power-Assisted Steering and Power Trim Fluids
73
Approved Power-Assisted Steering Fluids
73
Approved Power Trim Fluids
73
Section 5 - Maintenance
75
Owner/Operator Responsibilities
76
Dealer Responsibilities
76
Maintenance
76
Do It Yourself Maintenance Suggestions
77
Inspection
77
Maintenance Schedule-Sterndrive Models
78
Routine Maintenance
78
Scheduled Maintenance
78
Maintenance Log
79
Engine Oil
80
Checking
80
Filling
81
Changing Oil and Filter
82
Easy Engine Oil Drain System
82
Engine Oil Drain Pump
82
Changing the Oil Filter
83
Power-Assisted Steering Fluid
84
Checking
84
Filling
84
Changing
85
Engine Coolant
85
Checking
85
Filling
85
Changing
86
Sterndrive Gear Lube
86
Checking
86
Filling
87
Changing
87
Power Trim Fluid
89
Checking
89
Filling
90
Changing
90
Battery
90
Multiple EFI Engine Battery Precautions
91
Cleaning the Flame Arrestor
91
Cleaning the IAC Muffler (Non-DTS Models Only)
92
Water-Separating Fuel Filter
93
GEN III Models
94
Removal
94
Installation
95
Lubrication
95
Steering System
95
Throttle Cable
97
Shift Cable - Typical
98
Sterndrive Unit and Transom Assembly
98
Sterndrive U-Joint Shaft Splines and O-Rings (Sterndrive Unit Removed)
99
Engine Coupler
99
Driveshaft Extension Models
100
Propellers
100
Propeller Repair
100
Bravo Sterndrive Propeller Removal
100
Bravo One Models
100
Bravo Two Models
103
Bravo Three Models
104
Bravo Sterndrive Propeller Installation
105
Bravo One Models
105
Bravo Two Models
107
Bravo Three
108
Serpentine Drive Belt
110
Belt Routing
110
Checking
110
Replacing
111
Corrosion Protection
111
Corrosion Information
111
Maintaining Ground Circuit Continuity
112
Anodes and Mercathode System Locations
112
Checking the Quicksilver Mercathode System
113
Power Package Exterior Surfaces
114
Boat Bottom Care
114
Anti-Fouling Paint
114
Sterndrive Surface Care
116
Flushing the Seawater System-Sterndrive Models
117
General Information-Bravo Sterndrive
117
Flushing Attachments
117
Sterndrive Water Pickups
118
The Boat out of the Water-Bravo Sterndrive
118
The Boat in the Water-Bravo Sterndrive
119
The Boat out of the Water-Alternative Water Pickups
120
The Boat in the Water-Alternative Water Pickups
121
The Seacore Power Package Flushing Procedure
122
Models Using the Sterndrive Water Pickup
122
Cold Weather or Extended Storage
128
Preparing Power Package for Storage
128
Section 6 - Storage
128
Engine and Fuel System Preparation
129
Draining the Seawater System
130
Drain System Identification
130
Air Actuated Single Point Drain System
130
Manual Drain System
131
Air Actuated Single Point Drain System
131
Boat in the Water
131
Boat out of the Water
133
Manual Drain System
135
Boat in the Water
135
Boat out of the Water
136
Draining the Sterndrive
136
Battery Storage
137
Power Package Recommissioning
137
Section 7 - Troubleshooting
139
Diagnosing EFI Problems
140
Diagnosing DTS Problems
140
Engine Guardian System
140
Troubleshooting Charts
140
Starter Motor will Not Crank Engine, or Cranks Slow
140
Engine will Not Start or Is Hard to Start
140
Engine Runs Rough, Misses And/Or Backfires
141
Poor Performance
141
Excessive Engine Temperature
141
Insufficient Engine Temperature
142
Low Engine Oil Pressure
142
Battery will Not Come up on Charge
142
Remote Control Operates Hard, Binds, Has Excessive Free-Play or Makes Unusual Sounds
142
Steering Wheel Turns Hard or Jerky
142
Power Trim Does Not Operate (Motor Does Not Operate)
143
Power Trim Does Not Operate (Motor Operates but Sterndrive Unit Does Not Move)
143
Owner Service Assistance
146
Local Repair Service
146
Service Away from Home
146
Stolen Power Package
146
Attention Required after Submersion
146
Replacement Service Parts
146
Parts and Accessories Inquiries
147
Resolving a Problem
147
Mercury Marine Service Offices
147
Ordering Literature
148
United States and Canada
148
Outside the United States and Canada
148

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MerCruiser 8.1 MAG Manuals

MerCruiser 8.1 MAG Owner's Manual (152 pages)

Table of Contents

Section 1 - Warranty

Section 3 - on the Water

Section 4 - Specifications

Section 5 - Maintenance

Section 7 - Troubleshooting

MerCruiser 8.1 MAG Owner's Manual (148 pages)

Table of Contents

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