Mercury 25 EFI FourStroke - Control Cable Installation; Throttle Cable Installation

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INSTALLATION

eng 135

1. Use the transom drilling fixture for drilling the transom

mounting holes.

a - Drill guide holes

b - Transom drilling fixture

c - Transom centerline

Transom Drilling Fixture 91‑98234A2

5489

Aids in engine installation by

acting as a template for engine

mounting holes.

2. Drill four 13.5 mm (17/32 in.) mounting holes.

3973

2757

Main Page

Table of Contents7
Warranty Registration11
Warranty Information11
Transfer of Warranty12
Fourstroke Outboard Limited Warranty12
Fourstroke Outboard Limited Warranty16
Fourstroke Outboard Limited Warranty20
Year Limited Warranty against Corrosion24
Warranty Coverage and Exclusions27
Boater's Responsibilities30
Before Operating Your Outboard30
General Information30
Boat Horsepower Capacity31
High-Speed and High-Performance Boat Operation31
Propeller Selection32
Outboard Remote Control Models35
Remote Steering Notice35
Lanyard Stop Switch36
Protecting People in the Water40
Passenger Safety Message - Pontoon Boats and Deck Boats41
Wave and Wake Jumping42
Impact with Underwater Hazards43
Safety Instructions for Hand-Tilled Outboards44
Exhaust Emissions45
Selecting Accessories for Your Outboard47
Safe Boating Suggestions48
Recording Serial Number50
Specifications50
Component Identification52
Trailering Boat/Outboard58
Transporting Your Outboard When Removed from Boat58
Transporting Portable Fuel Tanks59
Fuel Recommendations61
FUEL and OIL61
Low Permeation Fuel Hose Requirement63
Filling Fuel Tank63
Engine Oil Recommendations64
Checking and Adding Engine Oil64
Remote Control Features67
FEATURES and CONTROLS67
Tiller Handle Model Features68
Warning System69
Warning System72
Tiller Handle Models with Manual Gas Assist Tilt74
Tiller Handle Models with Manual Tilt79
Power Trim and Tilt (if Equipped)84
Trim Tab Adjustment89
Prestarting Check List91
Operating in Freezing Temperatures91
Operation91
Operating in Saltwater or Polluted Water92
Pre-Starting Instructions92
Engine Break-In Procedure93
Starting the Engine - Remote Control Models93
Starting the Engine - Tiller Handle Models96
Gear Shifting99
Stopping the Engine100
Emergency Starting100
Outboard Care103
Owner Responsibility104
EPA Emissions104
Inspection and Maintenance Schedule105
Flushing the Cooling System106
Top Cowl Removal and Installation109
Exterior Care109
Battery Inspection110
Fuel System110
Steering Link Rod Fasteners112
Corrosion Control Anode113
Propeller Replacement115
Spark Plug Inspection and Replacement118
Fuse Replacement - Electric Start Models119
Timing Belt Inspection120
Lubrication Points121
Checking Power Trim Fluid124
Changing Engine Oil124
Gearcase Lubrication126
Submerged Outboard128
Storage Preparation129
Storage129
Protecting External Outboard Components130
Protecting Internal Engine Components130
Gearcase130
Positioning Outboard for Storage130
Battery Storage131
Starter Motor will Not Crank the Engine (Electric Start Models)132
Engine will Not Start132
Troubleshooting132
Engine Runs Erratically133
Performance Loss133
Battery will Not Hold Charge133
Local Repair Service135
Service Away from Home135
Parts and Accessories Inquiries135
Service Assistance135
Owner Service Assistance135
Mercury Marine Service Offices136
Installation Information138
Installation138
Installation Specifications140
Installing Outboard140
Lifting Outboard141
Electrical Harness, Battery Connection, Fuel Tanks150
Control Cable Installation155
Installing Propeller159

Mercury 25 EFI FourStroke - Control Cable Installation; Throttle Cable Installation

Table of Contents

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