Mercury 40 4-Stroke User Manual

i
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.
Declaration of Conformity
Manufacturer:
Mercury Marine
W6250 Pioneer Road
P.O. Box 1939
Fond du Lac, WI 54935-1939 USA,
Authorized Representative:
Marine Power Europe, Inc.
Parc Industriel de Petit-Rechain
B-2800 Verviers - Belgium,
Recreational Craft Directive: 2003/44/EC amending 94/25/EC
Applicable Requirement Standards Applied
Owner's manual (A.2.5) EN ISO 10240:2004
Handling characteristics (A.4) EN ISO 8665:1995
Outboard engines starting (A.5.1.4) EN ISO 11547:1995
General steering system (A.5.4.1) ABYC P-17; EN ISO 10592:1995
Exhaust emission requirements (B.2) EN ISO 8178-1:1996
Owner's manual (B.4) EN ISO 8665:1995
Noise emission levels (C.1) EN ISO 14509:2000
Module used for exhaust emission assessment: Module H; Certification No. RCD-H-2
Module used for noise emission assessment: Module H; Certification No. RCD-H-2
Name of Notified Body for exhaust emission assessment and noise emission assessment:
Det Norske Veritas AS
Veritasveien 1
1322 Hovik
Norway
Notified Body Number: 0575
Engine type: Outboard Fuel type: Gasoline Combustion cycle: 4 stroke
Brands: Mercury,
Mariner
Engine Family
Manufacturer
Location
Horsepower
Starting Serial
Number
Module H Noise
and Exhaust
Certificate
Verado 4
Cylinder
Belgium 135,150 0P401000 RCD-H-2
© 2007 Mercury Marine 40 4-Stroke 90-10212081 1007

Mercury 40 4-Stroke Specifications

General

Engine Type	4-Stroke
Horsepower	40 hp
Cylinders	3
Fuel Induction System	Electronic Fuel Injection (EFI)
Starting	Electric
Displacement	747 cc
Shaft Length	20 in
Dry Weight	216 lbs
Steering	Remote
Alternator Amp	18 amp / 226 watt
Full Throttle RPM	5500 - 6000 RPM

Summary

Declaration of Conformity

Compliance Standards

Describes adherence to relevant EU directives and standards for the outboard engine.

Warranty Information

Warranty Registration and Coverage

Explains how to register and what is covered under the limited warranty.

Warranty Exclusions and Limitations

Details items and conditions not covered by the warranty.

General Information

Boater Safety and Responsibilities

Covers operator duties, safe practices, and hazard awareness.

Operating Procedures and Warnings

Details critical safety measures like lanyard use and protecting people in water.

Component Identification

Provides diagrams identifying various engine parts and their functions.

Transporting

Trailering and Fuel Tank Transport

Guidelines for safely trailering the boat and transporting fuel tanks.

Fuel & Oil

Fuel and Oil Recommendations

Specifies correct types of fuel and engine oil for optimal performance.

Features & Controls

Control Systems and Warning Indicators

Explains remote controls, power trim, and engine warning systems.

Manual Systems and Adjustments

Details manual tilt systems and trim tab adjustments.

Operation

Starting and Operating Procedures

Covers pre-starting checks, engine break-in, starting, shifting, and stopping.

Emergency Starting Procedures

Procedures for starting the engine using the emergency starter rope.

Maintenance

Routine Inspection and Maintenance Schedule

Outlines regular inspection and maintenance tasks based on usage hours/time.

System Specific Maintenance

Details maintenance for cooling, fuel, steering, and lubrication systems.

Component Replacement and Checks

Covers propeller, spark plugs, fuses, and gearcase maintenance.

Storage

Storage Preparation Procedures

Steps for preparing the outboard for long-term storage to prevent damage.

Troubleshooting

Engine and Battery Problem Diagnosis

Addresses common issues like starting failures, performance loss, and battery problems.

Owner Service Assistance

Getting Service and Support

Information on contacting dealers and Mercury Marine for service and inquiries.

Outboard Installation

Mounting and Connection Procedures

Covers transom preparation, mounting, and connecting electrical/control systems.

Cable and Propeller Installation

Guides on installing shift, throttle cables, and propellers.

Trim Tab and Trim-In Stop Adjustment

Procedures for adjusting trim tabs and trim-in stops.