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Mercury 40 SeaPro User Manual

Mercury 40 SeaPro
104 pages
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Operation
Maintenance
and
Installation
Manual
© 2017 Mercury Marine
40 SeaPro/Marathon
8M0133626 617 eng

Table of Contents

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Mercury 40 SeaPro Specifications

General IconGeneral
BrandMercury
Model40 SeaPro
CategoryOutboard Motor
LanguageEnglish

Summary

General Information

Boater's Responsibilities

Operator's duty for safe operation and passenger safety.

Boat Horsepower Capacity

Warning about exceeding maximum horsepower rating for safety.

Lanyard Stop Switch

Explanation of the lanyard stop switch's purpose and function.

Protecting People in the Water

Safety advice for preventing injury to people in the water.

Impact with Underwater Hazards

Cautionary advice regarding submerged objects and speed control.

Exhaust Emissions

Warning about carbon monoxide poisoning from engine exhaust.

40 Sea Pro/Marathon Specifications

Technical specifications for the 40 Sea Pro/Marathon model.

Transporting

Trailering Boat/Outboard

Instructions for safely trailering the boat and outboard.

Transporting Portable Fuel Tanks

Safety warnings and instructions for transporting fuel tanks.

Fuel and Oil

Fuel Requirements

Details on acceptable types and ratings of gasoline for the engine.

Oil Recommendation

Recommended oil type and certification for the outboard.

Fuel and Oil Ratio

Mixing ratios for gasoline and oil for break-in and normal use.

Filling Fuel Tank

Safety precautions and procedure for filling the fuel tank.

Features and Controls

Remote Control Features

Identification of key components of the remote control system.

Warning System - Electric Start Models

Explanation of the warning horn and its functions for electric start models.

Warning Horn System ‑ Manual Start Models

Description of the warning horn for manual start models.

Engine Over‑Speed Limiter

How the engine over-speed limiter protects the engine.

Manual Tilt System

Operation and adjustment of the manual tilt system.

Power Trim and Tilt (if equipped)

Explanation of the power trim and tilt system.

Steering Friction Adjustment

Adjusting steering friction for tiller and remote steering models.

Trim Tab Adjustment

Adjusting trim tabs to compensate for steering torque.

Operation

Prestarting Check List

Checklist of essential pre-operation checks.

Operating in Freezing Temperatures

Precautions for operating in freezing conditions.

Operating in Saltwater or Polluted Water

Recommendations for flushing and care after use in saltwater.

Engine Break‑in Procedure

Step-by-step guide for breaking in a new engine.

Starting the Engine ‑ Electric Start Remote Control Models

Procedure for starting electric start remote control models.

Starting the Engine ‑ Tiller Handle Models and Manual Start Remote Control Models

Starting procedure for tiller handle and manual start models.

Gear Shifting

Important considerations and procedures for shifting gears.

Stopping the Engine

Steps for shutting down the engine on different models.

Emergency Starting - Electric Start Models

Procedure for emergency starting electric models with a starter rope.

Emergency Starting - Manual Start Models

Procedure for emergency starting manual models with a starter rope.

Maintenance

Cleaning Care Recommendations

General advice on cleaning and caring for the outboard.

Inspection and Maintenance Schedule

Schedule for routine inspections and maintenance tasks.

Flushing the Cooling System

Procedure for flushing the outboard's cooling system.

Battery Inspection

How to inspect the battery for proper starting capability.

Fuel System

Safety warnings and procedures for servicing the fuel system.

ENGINE FUEL FILTER

Instructions for inspecting and cleaning the engine fuel filter.

CARBURETOR ADJUSTMENTS

Procedures for adjusting carburetor settings.

Spark Plug Inspection and Replacement

How to inspect, gap, and replace spark plugs.

Lubrication Points

Locations and types of lubricants for various components.

Gearcase Lubrication

Procedure for draining, filling, and checking gearcase lubricant.

Storage

Storage Preparation

Procedures for preparing the outboard for storage.

FUEL SYSTEM

Preparing the fuel system for storage, including stabilizer.

Protecting Internal Engine Components

Steps to protect internal engine parts during storage.

Battery Storage

Guidelines for storing the boat battery.

Troubleshooting

Starter Motor Will Not Crank the Engine (Electric Start Models)

Possible causes and solutions for no crank issue.

Engine Will Not Start

Common reasons and troubleshooting steps for engine not starting.

Engine Runs Erratically

Identifying and resolving issues causing erratic engine running.

Performance Loss

Causes and solutions for reduced engine performance.

Battery Will Not Hold Charge

Troubleshooting battery issues related to not holding a charge.

Installation

Installing Outboard

Procedures and hardware for mounting the outboard.

Acceptable Accessory Mounting to the Transom Clamp Bracket

Guidelines for mounting accessories on the transom bracket.

Unacceptable Accessory Mounting

Warnings against improper accessory mounting.

BOAT HORSEPOWER CAPACITY

Importance of matching engine horsepower to boat capacity.

FASTENING THE OUTBOARD TO THE TRANSOM

Specific instructions for securing the outboard to the transom.

Propeller Selection

Guidance on selecting the correct propeller for optimal performance.

Owner Service Assistance

Service Assistance

Overview of service options and recommendations.

LOCAL REPAIR SERVICE

Information on using authorized local dealers for service.

ATTENTION REQUIRED AFTER SUBMERSION

Critical steps after the outboard has been submerged.

CONTACT INFORMATION FOR MERCURY MARINE CUSTOMER SERVICE

Contact details for customer service in various regions.

Maintenance Log

Maintenance Log

Section to record maintenance performed on the outboard.

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