MerCruiser 8.1S HO Manuals

Manuals and User Guides for MerCruiser 8.1S HO. We have 1 MerCruiser 8.1S HO manual available for free PDF download: Owner's Manual

MerCruiser 8.1S HO Owner's Manual

MerCruiser 8.1S HO Owner's Manual (100 pages)

Brand: MerCruiser | Category: Engine | Size: 7.01 MB

Table of Contents

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 10 California Emissions Limited Warranty
19
Emission Control Information Label
23
- Owner Responsibility
  24
Emission Certification Star Label
24
- 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
    
    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
- Fluid Specifications
  61
  - Transmission
    61
  - Engine
    61
- 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
    66
    
    Every 100 Hours or Annually (Whichever Occurs First)
    66
    
    Every 300 Hours or 3 Years
    66
    
    Every 5 Years
    67
- Maintenance Log
  67
- Engine Oil
  67
  - Checking
    68
  - Filling
    68
Section 5 - Maintenance

68
- Changing Oil and Filter
  69
  - Engine Oil Drain Pump
    69
  - Changing Filter
    70
- Transmission Fluid
  70
  - Checking While the Engine Is Warm
    70
  - Checking While Engine Is Cold
    71
  - Changing
    71
- Engine Coolant
  71
  - Checking
    71
  - Filling
    72
  - Changing
    72
- Cleaning the Flame Arrestor
  72
- Changing Water Separating Fuel Filter
  73
- Serpentine Drive Belt
  75
  - Checking
    75
  - Replacing
    76
- Flushing the Seawater System-Inboard Models
  77
  - The Boat out of the Water-Inboard Models
    77
  - The Boat in the Water-Inboard Models
    78
- Battery
  80
  - Multiple EFI Engine Battery Precautions
    80
  - December
    81
- Cold Weather or Extended Storage
  82
  - Preparing Power Package for Storage
    82
    
    Engine and Fuel System Preparation
    83
- Draining the Seawater System
  84
  - Drain System Identification
    84
    
    Air Actuated Single Point Drain System
    84
    
    Air Actuated Single Point Drain System
    85
    
    Boat in the Water
    85
    
    Manual Drain System
    85
    
    Boat out of the Water
    87
    
    Boat in the Water
    89
    
    Manual Drain System
    89
    
    Boat out of the Water
    90
- Battery Storage
  91
- Power Package Recommissioning
  91
- Diagnosing EFI Problems
  94
- Diagnosing DTS Problems
  94
- Engine Guardian System
  94
- Starter Motor will Not Crank Engine, or Cranks Slow
  94
- Engine will Not Start or Is Hard to Start
  94
- Engine Runs Rough, Misses And/Or Backfires
  95
- Poor Performance
  95
- Section 7 - Troubleshooting
  95
- Excessive Engine Temperature
  95
- Insufficient Engine Temperature
  96
- Low Engine Oil Pressure
  96
- Battery will Not Come up on Charge
  96
- Remote Control Operates Hard, Binds, Has Excessive Free-Play or Makes Unusual Sounds
  96
- Steering Wheel Turns Hard or Jerky
  96
  - Section 8 - Customer Assistance Information
    97
- Owner Service Assistance
  98
  - Local Repair Service
    98
  - Service Away from Home
    98
  - Stolen Power Package
    98
  - Attention Required after Submersion
    98
  - Replacement Service Parts
    98
    
    Parts and Accessories Inquiries
    99
  - Resolving a Problem
    99
  - Mercury Marine Service Offices
    99
  - December
    99
- Ordering Literature
  100
  - United States and Canada
    100
  - Outside the United States and Canada
    100

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