Mercury 40 Sea Pro User Manual

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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 40 Sea Pro/Marathon - 30/40 HP 90-10148050 304

Mercury 40 Sea Pro Specifications

General

Brand	Mercury
Model	40 Sea Pro
Category	Outboard Motor
Language	English

Summary

General Information

Boater's Responsibilities

Operator's duties for safe boat operation and occupant safety.

Before Operating Your Outboard

40 Sea Pro/Marathon - 30/40 HP Specifications

Features & Controls

Warning System Operation

Manual Tilt System

Troubleshooting

Engine Will Not Start

Lists common causes and checks for an engine that fails to ignite.

Performance Loss

Identifies potential issues leading to reduced engine power or efficiency.

Battery Will Not Hold Charge

Troubleshooting steps for a battery that fails to maintain its charge.

Warranty Information

Installation

Installing Outboard

Step-by-step instructions and safety warnings for mounting the outboard onto the boat transom.

Propeller Selection

Fuel & Oil

Gasoline Recommendations

Oil Recommendation

Mixing Fuel and Oil

Operation

Pre-Starting Check List

Essential checks to perform before starting the outboard engine.

Engine Break-in Procedure

Crucial steps for the initial break-in period to ensure engine longevity.

Starting The Engine - Electric Start Remote Control Models

Step-by-step guide for starting the outboard using electric start remote controls.

Gear Shifting

Maintenance

Inspection And Maintenance Schedule

Recommended schedule for periodic inspections and maintenance tasks.

Flushing The Cooling System

Spark Plug Inspection And Replacement

Procedure for inspecting, gapping, and replacing spark plugs.

Gearcase Lubrication