MerCruiser Scorpion 350 Marine Engine Manuals

Manuals and User Guides for MerCruiser Scorpion 350 Marine Engine. We have 2 MerCruiser Scorpion 350 Marine Engine manuals available for free PDF download: User Manual

MerCruiser Scorpion 350 User Manual

MerCruiser Scorpion 350 User Manual (100 pages)

with Emissions Control

Brand: MerCruiser | Category: Engine | Size: 4 MB

Table of Contents

Read this Manual Thoroughly
3
Table of Contents
5
Section 1 - Warranty
9
Warranty Registration: Outside the United States and Canada
10
Warranty Registration: United States and Canada
10
Mercury Product Protection Plan: United States and Canada
11
Transfer of Warranty
11
Mercury Mercruiser Limited Warranty (Gasoline-Fueled Products Only)
12
3-Year Limited Warranty against Corrosion
14
Global Warranty Charts
15
Mercury Installation Quality Certification Program
17
California Emissions Limited Warranty
18
Section 1 - Warranty
18
Emission Control Information Label
23
- Owner Responsibility
  24
Emission Certification Star Label
24
- Section 2 - Getting to Know Your Power Package
  27
Identification
28
- Engine Serial Number Decal
  28
Lanyard Stop Switch
28
Instrumentation
29
- Vesselview
  29
- Digital Gauges
  30
- Analog Gauges
  31
Remote Controls
31
- Tow Sport Panel Mount Features
  32
Electrical System Overload Protection
33
Audio Warning System
35
- Caution
  35
- Severe
  35
- Obdm
  36
- Testing the Audio Warning System
  36
Guardian Strategy
36
Section 3 - on the Water

39
- Safe Boating Suggestions
  40
- Be Alert to Carbon Monoxide Poisoning
  41
  - Good Ventilation
    41
  - Poor Ventilation
    42
- Basic Boat Operation (DTS Models)
  42
  - Launching and Boat Operation
    42
    
    Operation Chart
    42
    
    Starting and Stopping the Engine
    43
    
    Starting the Engine
    43
    
    Stopping the Engine
    44
    
    Throttle-Only Operation
    44
    
    Drain Plug and Bilge Pump
    45
    
    Freezing Temperature Operation
    45
- Protecting People in the Water
  45
  - While You Are Cruising
    45
  - While Boat Is Stationary
    45
- High-Speed and High-Performance Operation
  46
- Passenger Safety in Pontoon Boats and Deck Boats
  46
- Wave and Wake Jumping
  47
- Impact with Underwater Hazards
  47
- Conditions Affecting Operation
  48
  - Weight Distribution (Passengers and Gear) Inside the Boat
    48
  - The Bottom of the Boat
    48
  - Cavitation
    48
  - Ventilation
    49
  - Elevation and Climate
    49
  - Propeller Selection
    49
- Getting Started
  50
  - 20-Hour Break-In Period
    50
  - After Break-In Period
    50
  - End of First Season Checkup
    50
- Section 4 - Specifications
  51
- Fuel Requirements
  52
- Engine Oil
  53
- Engine Specifications
  54
- Fluid Specifications
  54
  - Engine
    54
  - Transmission
    54
- Owner/Operator Responsibilities
  56
- Dealer Responsibilities
  56
- Maintenance
  56
- Do-It-Yourself Maintenance Suggestions
  57
- Inspection
  57
- Maintenance Schedule-Tow Sport Models
  58
  - Routine Maintenance
    58
  - Scheduled Maintenance
    58
- Maintenance Log
  59
- Engine Oil
  59
  - Checking
    59
  - Filling
    60
  - Changing Oil and Filter
    61
  - Easy Engine Oil Drain System
    61
  - Engine Oil Drain Pump
    61
  - Changing the Oil Filter
    63
- Transmission Fluid
  64
  - Checking While the Engine Is Warm
    64
  - Checking While Engine Is Cold
    64
- Section 5 - Maintenance
  64
  - Changing
    64
- IAC Muffler
  64
- Battery
  64
  - Multiple EFI Engine Battery Precautions
    65
- Cleaning the Flame Arrestor
  65
  - Positive Crankcase Ventilation Valve (PCV)
    66
    
    (Pcv)
    66
    
    Changing
    66
    
    Positive Crankcase Ventilation Valve
    66
- Water-Separating Fuel Filter
  67
  - GEN III Models
    68
    
    Removal
    68
    
    Installation
    69
- Serpentine Drive Belt
  69
  - 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
    73
- Section 6 - Storage
  77
- Cold Weather or Extended Storage
  78
  - Preparing Power Package for Storage
    78
    
    Engine and Fuel System Preparation
    79
- Draining the Seawater System
  80
  - Drain System Identification
    80
    
    Air Actuated Single Point Drain System
    80
    
    Air Actuated Single Point Drain System
    81
    
    Boat in the Water
    81
    
    Multi-Point Drain (MPD) System
    81
    
    Boat out of the Water
    83
    
    Boat out of the Water
    85
    
    Multi-Point Drain (MPD) System
    85
    
    Boat in the Water
    87
- Battery Storage
  89
- Power Package Recommissioning
  89
- Diagnosing EFI Problems
  92
Section 7 - Troubleshooting

92

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MerCruiser Scorpion 350 User Manual

MerCruiser Scorpion 350 User Manual (98 pages)

Brand: MerCruiser | Category: Engine | Size: 11 MB

Table of Contents

Table of Contents

5
- Read this Manual Thoroughly
  3
Section 1 - Warranty 1

9
Section 2 - Getting to Know Your Power Package 2

21
- Identification
  22
  - Engine Serial Number Decal
    22
- Lanyard Stop Switch
  22
- Instrumentation
  23
  - Digital Gauges
    23
  - Analog Gauges
    24
- Remote Controls
  25
  - Panel Mount Features
    25
    
    Console Mount Features
    26
    
    Zero Effort Features
    26
- Electrical System Overload Protection
  27
- Audio Warning System
  28
  - Testing the Audio Warning System
    29
- Engine Guardian Strategy
  29
- Warning Horn Signals
  29
Section 3 - on the Water

31
- Safe Boating Suggestions
  32
- Be Alert to Carbon Monoxide Poisoning
  33
  - Good Ventilation
    33
  - Poor Ventilation
    34
- Basic Boat Operation
  34
  - Launching and Boat Operation
    34
    
    Operation Chart
    34
    
    Starting and Stopping the Scorpion Engine
    35
    
    Starting the Engine
    35
    
    Drain Plug and Bilge Pump
    36
    
    Freezing Temperature Operation
    36
    
    Stopping the Engine
    36
    
    Throttle-Only Operation
    36
- Protecting People in the Water
  36
  - While You Are Cruising
    36
  - While Boat Is Stationary
    37
- High-Speed and High-Performance Operation
  37
- Passenger Safety in Pontoon Boats and Deck Boats
  37
  - Boats Having an Open Front Deck
    37
  - Boats with Front-Mounted, Raised Pedestal Fishing Seats
    38
- Impact with Underwater Hazards
  38
  - November
    38
- Wave and Wake Jumping
  38
- Conditions Affecting Operation
  39
  - Weight Distribution (Passengers and Gear) Inside the Boat
    39
  - The Bottom of the Boat
    39
  - Cavitation
    40
  - Ventilation
    40
  - Elevation and Climate
    40
  - Propeller Selection
    40
- Getting Started
  41
  - 20-Hour Break-In Period
    41
  - After Break-In Period
    41
  - End of First Season Checkup
    41
Section 4 - Specifications

43
- Fuel Ratings
  44
- Fuel Requirements
  44
- Gasolines Containing Alcohol
  44
- Using Reformulated (Oxygenated) Gasolines (USA Only)
  44
- Engine Oil
  45
- Engine Specifications
  46
- Fluid Specifications
  46
  - Engine
    46
  - Transmission
    46
Section 5 - Maintenance

47
- Dealer Responsibilities
  48
- Maintenance
  48
- Owner/Operator Responsibilities
  48
- Do-It-Yourself Maintenance Suggestions
  49
- Inspection
  49
- Maintenance Schedule-Inboard
  50
  - Routine Maintenance
    50
  - Scheduled Maintenance
    50
- Engine Oil
  51
  - Checking
    51
  - Filling
    52
  - Changing Oil and Filter
    53
    
    Easy Engine Oil Drain System
    53
    
    Engine Oil Drain Pump
    54
    
    Changing Filter
    55
- Maintenance Log
  51
- Cleaning the Flame Arrestor
  56
  - Positive Crankcase Ventilation Valve (PCV)
    57
  - Changing
    57
- IAC Muffler
  56
- Transmission Fluid
  56
  - Checking While the Engine Is Warm
    56
  - Checking While Engine Is Cold
    56
  - Changing
    56
- Changing Water Separating Fuel Filter
  58
- In-Line Fuel Filter
  59
- Lubrication
  61
  - Throttle Cable
    61
  - Transmission Linkage
    61
- Serpentine Drive Belt
  63
  - Checking
    63
  - Replacing Belt And/Or Adjusting Tension
    63
- Flushing the Power Package-Tow Sports
  64
  - The Boat out of the Water
    64
  - The Boat in the Water
    66
- Battery
  68
  - Multiple EFI Engine Battery Precautions
    68
Section 6 - Storage

71

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