MerCruiser 350 MAG MPI Tow Sports User Manual

© 2007 Mercury Marine MPI Inboard and Tow Sports Models 90-864197070 607
NOTE: The following applies to CE marked products only.
Declaration of Conformance – Mercury MerCruiser
This sterndrive or inboard engine when installed in accordance to Mercury
MerCruisers’ instructions complies with the requirements of the following directives
by meeting the associated standards, as amended:
Recreational Craft Directive 94/25/EC; 2003/44/EC
Applicable Requirement Standards Applied
Owner’s manual (A.2.5) ISO 10240
Openings in Hull, Deck and superstructure (A.3.4) ISO 9093‑1; ISO 9093‑2
Handling characteristics (A.4) ISO 8665
Inboard Engine (A.5.1.1) ISO 15584; ISO 10088; ISO 7840; ISO 10133
Fuel System (A.5.2) ISO 10088; ISO 7840; ISO 8469
Electrical System (A.5.3) ISO 10133; ISO 8846
Steering system (A.5.4)
Applicable portions of: ISO 10592, ISO 8848 and
ABYC P‑17
Exhaust emission requirements (B.2) ISO 8178
Owner’s manual (B.4) ISO 8665
Noise emission levels (C.1) ISO 14509
Ignition‑protected equipment (Annex II) ISO 8846; SAE J1171; SAE J1191; SAE J 2031
Mercury MerCruiser declares that our sterndrive or inboard engines without integral
exhaust, when installed in a recreational craft, in accordance with the manufacturers
supplied instructions, will meet the exhaust emissions requirements of the directive
mentioned above. This engine must not be put into service until the recreational craft
in which it is to be installed has been declared in conformity, if so required, with the
relevant provision of the directive.
Electromagnetic Compatibility Directive 89/336/EC, 92/31/EEC and 93/68/EEC
Generic emission standard EN 50081‑1
Generic immunity standard EN 50082‑1
Vehicles, boats and internal combustion engine
driven devices ‑ Radio disturbance characteristics
SAE J551 (CISPR 12)
Electrostatic discharge testing EN 61000‑6‑2; EN 61000‑4‑2; EN61000‑4‑3
The notified body responsible for surveillance of the quality system under Full Quality Assurance
Module H of Directive 2003/44/EC is:
Det Norske Veritas
Norway
Notified Body Number: 0575
This declaration is issued under the sole responsibility of Mercury Marine and Mercury MerCruiser.
Patrick C. Mackey
President ‑ Mercury Marine, Fond du Lac, WI USA

MerCruiser 350 MAG MPI Tow Sports Specifications

General

Engine Type	V8
Horsepower	300 hp
Compression Ratio	9.4:1
Displacement	5.7L (350 cu. in.)
Fuel System	MPI (Multi-Port Injection)
Ignition System	Electronic
Alternator Output	65 A
Fuel Requirement	87 Octane (Minimum)
Cooling System	Water-cooled, closed cooling

Summary

Declaration of Conformance – Mercury MerCruiser

Recreational Craft Directive Requirements

Lists applicable requirements and standards for the Recreational Craft Directive.

Electromagnetic Compatibility Directive Requirements

Lists applicable requirements and standards for EMC Directive.

Notified Body Information

Identifies the notified body responsible for quality system surveillance.

Identification Record

Warranty Message

Read This Manual Thoroughly

Emphasizes the importance of reading and understanding the manual.

Section 1 - Warranty

Warranty Registration

Process for registering your product for warranty coverage.

Transfer of Warranty

How to transfer the limited warranty to a subsequent owner.

Mercury Product Protection Plan

Details of the optional extended warranty plan for breakdowns.

Mercury MerCruiser Limited Warranty

Warranty terms for gasoline-fueled products, including coverage periods.

Limited Corrosion Warranties

Covers 3-year and 4-year warranties against corrosion for specific models.

Warranty Charts

Charts detailing warranty coverage by region, boat brand, and application.

Installation Quality Certification Program

Information on the certification program and its impact on warranty.

California Emissions Limited Warranty

Warranty specific to emission control systems for California-certified engines.

Section 2 - Getting to Know Your Power Package

Lanyard Stop Switch

Explanation and safety warning for the engine kill switch lanyard.

Instrumentation

Overview of gauges and displays like System View.

Dual Helm Station Transfer

Procedure for transferring control between two helm stations.

Electrical System Overload Protection

Information on circuit breakers and fuses protecting the electrical system.

Remote Controls

Details on panel mount and console mount remote control features.

Zero Effort Features

Explanation of the zero effort throttle and shift levers.

Audio Warning System

Description of audible alarms for engine and system alerts.

Engine Guardian Strategy

System that monitors sensors and reduces power to protect the engine.

Transmission Guardian Strategy

Feature that monitors transmission pressure and reduces engine torque.

Section 3 - On The Water

Safe Boating Suggestions

General advice for safe operation and essential safety equipment.

Be Alert To Carbon Monoxide Poisoning

Information about the dangers of carbon monoxide and its symptoms.

Ventilation

Guidance on ensuring adequate ventilation to prevent fume buildup.

Basic Boat Operation

Operational procedures for launching and general use.

Starting and Stopping the Engine

Step-by-step instructions for starting and stopping the engine.

Throttle Only Operation

How to use the throttle without engaging the transmission.

Protecting People In The Water

Safety precautions when people are in or near the water.

Wave And Wake Jumping

Warnings and advice regarding jumping waves or wakes.

Impact With Underwater Hazards

Precautions when encountering submerged objects.

Conditions Affecting Operation

Factors like weight distribution and hull condition affecting performance.

Getting Started

Initial procedures including break-in period recommendations.

Section 4 - Specifications

Cruising RPM

Recommended engine speeds for efficient cruising operation.

Fuel Requirements

Guidelines on selecting the correct type and octane of gasoline.

Engine Oil

Recommendations for engine oil types and viscosity.

Engine Specifications

Technical data for Tow Sports and Inboard engine models.

Fluid Specifications

Details on engine and cooling system fluid capacities and types.

Section 5 - Maintenance

Owner/Operator Responsibilities

Duties of the owner regarding safety checks and maintenance.

Dealer Responsibilities

Responsibilities of the dealer, including pre-delivery inspection.

Maintenance Schedule

Routine and scheduled maintenance tasks for inboard models.

Engine Oil

Procedures for checking and filling engine oil levels.

Changing Oil and Filter

Steps for performing an engine oil and filter change.

Transmission Fluid

How to check and change transmission fluid levels.

Engine Coolant

Procedures for checking and filling engine coolant.

Cleaning The Flame Arrestor

Instructions for cleaning the flame arrestor component.

Changing Water Separating Fuel Filter

Steps for replacing the water separating fuel filter.

Lubrication

Lubrication points for throttle cable and transmission linkage.

Serpentine Drive Belt

Inspection and replacement procedures for the drive belt.

Flushing The Power Package—Tow Sports

Procedure for flushing the engine cooling system.

Battery

Precautions for handling and storing batteries.

Section 6 - Storage

Cold Weather or Extended Storage

Recommendations and procedures for preparing the engine for storage.

Preparing Power Package for Storage

Detailed steps for preparing the engine and fuel system for storage.

Draining the Seawater System

Instructions on how to drain the seawater cooling system.

Drain System Identification

Identifies different drain system types (Air Actuated, Manual).

Battery Storage

Guidelines for storing batteries for extended periods.

Power Package Recommissioning

Steps to take when returning the engine to service after storage.

Section 7 - Troubleshooting

Diagnosing EFI Problems

How to diagnose issues with Electronic Fuel Injection systems.

Diagnosing DTS Problems

How to diagnose issues with Digital Throttle and Shift systems.

Engine Guardian System

System that monitors sensors and reduces power to protect the engine.

Starter Motor Will Not Crank Engine, Or Cranks Slow

Troubleshooting steps for starting motor issues.

Engine Will Not Start Or Is Hard To Start

Troubleshooting steps for engine starting problems.

Engine Runs Rough, Misses And/Or Backfires

Troubleshooting steps for rough engine running issues.

Poor Performance

Troubleshooting steps for general performance issues.

Excessive Engine Temperature

Troubleshooting steps for engine overheating issues.

Insufficient Engine Temperature

Troubleshooting steps for engine not reaching proper operating temperature.

Low Engine Oil Pressure

Troubleshooting steps for low engine oil pressure.

Battery Will Not Come Up On Charge

Troubleshooting steps for battery charging issues.

Remote Control Operates Hard, Binds, Has Excessive Free-play Or Makes Unusual Sounds

Troubleshooting steps for remote control issues.

Steering Wheel Turns Hard Or Jerky

Troubleshooting steps for steering system problems.

Section 8 - Customer Assistance Information

Owner Service Assistance

Information on getting service and repair from authorized dealers.

Parts And Accessories Inquiries

How to inquire about and order genuine Mercury parts.

Resolving A Problem

Steps to take if a problem cannot be resolved by the dealership.

Mercury Marine Service Offices

Contact information for Mercury Marine service centers worldwide.

Ordering Literature

How to obtain additional manuals and documentation.