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Mercury 115 efi User Manual

Mercury 115 efi
62 pages
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Welcome Aboard!
Proper care and maintenance is an important part in keeping your Mercury Product operating at peak
efficiency for maximum performance and economy. The enclosed Owner's Registration Card is your key
to trouble-free family fun. Refer to your Operation and Maintenance Manual for full details of your warranty
coverage.
Details of your nearest dealer can be found on www.marinepower.com where country maps and full
contact information are displayed.
Is your engine properly registered for warranty purpose? Please check on www.marinepower.com. If
necessary, please contact your local dealer.
If the outboard motor’s serial number plate contains the CE mark in the lower left-hand corner, the
following statement applies:
This outboard motor manufactured by Mercury Marine, Fond du Lac, WI, USA or Marine Power Europe
Inc. Park Industrel, de Petit-Rechain, Belgium complies with the requirements of the following directives
and standards, as amended:
Recreational Craft Directive: 94/25/EC; std. ISO 8665, ISO 11547
Machinery Directive: 98/37/EC,
EMC Directive: 89/336/EC; std. EN50081-1, SAE J551 (CISPR Pub. 12),
EN 50082-1, IEC 61000 PT4-2, IEC 61000 PT4-3
Patrick C. Mackey
President, Mercury Marine, Fond du Lac, WI USA
European Regulations Contact:
Product Environmental Engineering Department, Mercury Marine, Fond du Lac, WI USA
© 2004 Mercury Marine 75/90/115 EFI 4-Stroke 90-10215050 204

Table of Contents

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Mercury 115 efi Specifications

General IconGeneral
Engine Type4-Stroke
Horsepower115 HP
Full Throttle RPM Range5000 - 6000 RPM
Gear Ratio2.07:1
StartingElectric
SteeringRemote
Displacement2.1 L
Fuel SystemEFI (Electronic Fuel Injection)
Weight163 kg (359 lbs)
Shaft Length20", 25"
Alternator Output35 Amp
Warranty3 Years
Engine ConfigurationInline 4

Summary

WARRANTY INFORMATION

Transfer Of Warranty

Details on how to transfer the limited warranty to a new owner.

Warranty Registration Process

Steps for registering the product for warranty in the US/Canada and internationally.

Mercury Marine Limited Warranties

Overview of 2-year (Europe), 1-year, and 3-year corrosion limited warranties.

Disclaimers and Exclusions

Limitations, disclaimers on implied warranties, and general warranty exclusions.

GENERAL INFORMATION

Boater Responsibilities and Safety

Operator duties, safety recommendations, and understanding manual.

Safe Boat Operation

Guidelines for safe boat handling, including horsepower limits and hazards.

Engine Controls and Safety Devices

Information on remote controls, steering, and lanyard stop switch.

Hazard Awareness and Precautions

Safety advice regarding people in water, waves, underwater hazards, and emissions.

Specifications and Component Identification

Technical specifications and identification of outboard parts.

INSTALLATION

Installing the Outboard Motor

Proper procedures and hardware for mounting the outboard to the transom.

Propeller Selection Guidance

How to choose the right propeller for optimal performance and durability.

TRANSPORTING

Trailering Boat and Outboard

Guidelines for safely transporting the boat and outboard on a trailer.

FUEL & OIL

Gasoline Recommendations

Approved fuel types, octane ratings, and considerations for reformulated fuels.

Engine Oil and Level Checks

Recommended oil types, viscosity, and procedures for checking oil level.

FEATURES & CONTROLS

Remote Control Operation

Explanation of remote control features like throttle, trim, and ignition.

Warning System and Overheating

How the warning system functions and procedures for engine overheating.

Power Trim and Tilt Operations

Using power trim, tilt, manual tilting, and auxiliary tilt switch.

Shallow Water and Trim Tab Adjustments

Operating in shallow water and adjusting trim tabs for steering torque.

OPERATION

Pre-Operation Checks

Essential checklist before starting the outboard engine.

Operating in Different Conditions

Procedures for operating in freezing or salt/polluted water.

Engine Break-in and Starting

Break-in procedure, starting methods, and warming up the engine.

Gear Shifting and Stopping

How to shift gears and properly stop the outboard engine.

Emergency Starting Procedures

Steps for starting the engine using the emergency starter rope.

MAINTENANCE

General Outboard Care and Parts

Advice on outboard care, replacement parts, and EPA emissions label.

Inspection and Maintenance Schedule

Detailed schedule for routine inspections and maintenance tasks.

Cooling System and Fuel System Maintenance

Flushing the cooling system, fuel line, and engine fuel filter.

Steering, Corrosion, and Propeller Maintenance

Maintaining steering components, anodes, and propeller.

Spark Plug, Fuse, and Electrical Maintenance

Inspecting and replacing spark plugs, fuses, and electrical components.

Battery, Lubrication, and Fluid Checks

Battery inspection, lubrication points, and checking trim/engine oil.

Gearcase Maintenance and Lubrication

Procedures for draining, filling, and checking gearcase lubricant.

STORAGE

Storage Preparation Steps

Procedures to protect the outboard from rust, corrosion, and freezing.

Fuel System and Component Protection

Preparing the fuel system and protecting external/internal components.

Battery and Gearcase Storage

Guidelines for storing the battery and gearcase properly.

TROUBLESHOOTING

Starting and Engine Issues

Common causes and solutions for starter and engine starting problems.

Engine Performance and Electrical Issues

Diagnosing erratic engine running, performance loss, and battery charging problems.

OWNER SERVICE ASSISTANCE

Obtaining Service and Parts

How to get service locally, away from home, and inquire about parts.

Mercury Marine Service Contacts

Contact information for Mercury Marine service offices in various regions.

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