Name: Mercury 15 FourStroke
Brand: Mercury
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ENGINE INSTALLATION

110

BOAT TRANSOM HEIGHT REQUIREMENT

Measure the transom height of your boat. The boat bottom should

be aligned or be within 25 mm (1 in.) above the anti‑ventilation

plate of the outboard.

27151

a - Anti‑ventilation plate

INSTALLING OUTBOARD ON TRANSOM

1. Place the outboard on the centerline of the transom.

27005

2. Tighten the transom bracket clamp screws.

28501

Table of Contents3
Transfer of Warranty7
Warranty Registration United States and Canada7
Warranty Information7
Warranty Registration Outside the United States and Canada8
Fourstroke Outboard Limited Warranty United States, Canada, Europe and Confederation of Independent States9
Fourstroke Outboard Limited Warranty (Middle-East, and Africa)12
Year Limited Warranty against Corrosion15
Warranty Coverage and Exclusions19
Boater's Responsibilities22
Before Operating Your Outboard22
General Information22
Boat Horsepower Capacity23
High-Speed and High-Performance Boat Operation23
Outboard Remote Control Models23
Remote Steering Notice24
Lanyard Stop Switch25
Protecting People in the Water27
Passenger Safety Message - Pontoon Boats and Deck Boats28
Wave and Wake Jumping29
Impact with Underwater Hazards30
Exhaust Emissions32
Selecting Accessories for Your Outboard34
Safe Boating Suggestions34
Recording Serial Number36
15/20 4Stroke Specifications - International36
Carrying, Storing, and Transporting Your Outboard When Removed from Boat38
Transporting38
Trailering Boat/Outboard39
Transporting Portable Fuel Tanks39
Fuel Recommendations41
Fuel and Oil41
Filling Fuel Tank43
Engine Oil Recommendations44
Checking Engine Oil44
Tiller Handle Features47
Features and Controls47
Remote Control Features51
General Features51
Manual Tilt Features and Operation54
Power Tilt Features and Operation58
Warning System Features and Operation63
Trim Tab Adjustment65
Pre-Starting Check List66
Operating in Freezing Temperatures66
Operating in Saltwater or Polluted Water66
Operation66
Operating Outboard as an Auxiliary Engine67
Pre-Starting Instructions67
Engine Break-In Procedure68
Starting the Engine - Tiller Handle Models68
Starting the Engine - Remote Control Models72
Gear Shifting76
Stopping the Engine77
Emergency Starting78
Outboard Care80
EPA Emissions80
Maintenance80
Inspection and Maintenance Schedule81
Flushing the Cooling System83
Top Cowl Removal and Installation85
Battery Inspection85
Exterior Care85
Fuel System86
Steering Link Rod Fasteners87
Corrosion Control Anode88
Propeller Replacement90
Fuse Replacement - Electric Start Models92
Spark Plug Inspection and Replacement94
Timing Belt Inspection95
Changing Engine Oil95
Lubrication Points98
Gearcase Lubrication101
Checking Power Tilt Fluid103
Submerged Outboard104
Storage Preparation105
Storage105
Protecting External Outboard Components106
Protecting Internal Engine Components106
Gearcase106
Positioning Outboard for Storage107
Battery Storage107
Starter Motor will Not Crank the Engine (Electric Start Models)109
Engine will Not Start109
Engine Runs Erratically109
Troubleshooting109
Performance Loss110
Battery will Not Hold Charge110
Local Repair Service111
Service Away from Home111
Parts and Accessories Inquiries111
Service Assistance111
Owner Service Assistance111
Mercury Marine Service Offices112
Boat Horsepower Capacity114
Start in Gear Protection114
Selecting Accessories for Your Outboard114
Engine Installation114
Lifting the Outboard115
Installing Outboard115
Steering Cable Installation118
Steering Link Rod Fasteners119
Remote Wiring Harness and Control Cable Installation121
Battery Installation - Electric Start Models127
Battery Connections127

Mercury 15 FourStroke User Manual

Table of Contents

Questions and Answers:

Mercury 15 FourStroke Specifications

Related product manuals

Brand	Mercury
Model	15 FourStroke
Category	Outboard Motor
Language	English