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Mercury MerCruiser Axius SeaCore 350 MAG User Manual

Mercury MerCruiser Axius SeaCore 350 MAG
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© 2009 Mercury Marine Axius & Axius SeaCore 350, 377 Models with Emissions Control
*864197084*
90-864197084 1108
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.
Kevin Grodzki
President ‑ Mercury MerCruiser, Stillwater, OK, USA
Regulatory contact:
Regulations and Product Safety Department
Mercury Marine
W6250 W. Pioneer Road
Fond du Lac, WI 54936
USA
Identification Record
Please record the following information:

Table of Contents

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Mercury MerCruiser Axius SeaCore 350 MAG Specifications

General IconGeneral
Engine TypeV8
Horsepower300 HP
Axius CompatibilityYes
SteeringPower Steering
Alternator Output65 amp / 917 watt
Full Throttle RPM Range4800-5200 RPM
Compression Ratio9.4:1
Displacement5.7L (350 cu. in.)
Cooling SystemClosed Cooling
Drive SystemBravo
Corrosion ProtectionSeaCore
Fuel Requirement87 octane gasoline
Fuel SystemMPI (Multi-Port Injection)

Summary

Section 1 - Warranty

Mercury MerCruiser Limited Warranty (Gasoline-Fueled Products Only)

Outlines the warranty coverage for gasoline-fueled MerCruiser products.

3-Year Limited Warranty Against Corrosion

Details the warranty coverage for corrosion issues on marine engines.

4-Year Limited Corrosion Warranty: SeaCore Sterndrive Models with Gas Engines

Specific corrosion warranty for SeaCore sterndrive models.

Section 2 - Getting to Know Your Power Package

Dual-Handle Electronic Remote Control (ERC) with DTS Trackpad Features and Operation

Covers the operation and features of the ERC with DTS trackpad for engine control.

Section 3 - On The Water

20-Hour Break-In Period

Details the essential break-in procedures for new engines to ensure longevity.

Starting and Stopping the Engine

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

Maneuvering with the Joystick

Instructions on operating the boat using the intuitive joystick control system.

Section 5 - Maintenance

Maintenance Schedule—Sterndrive Models

Details the recommended maintenance schedule for sterndrive models.

Routine Maintenance

Lists maintenance tasks to be performed on a regular basis.

Scheduled Maintenance

Outlines maintenance tasks performed at specific intervals or hours.

Engine Oil

Procedures for checking, filling, and changing engine oil.

Steering Fluid

Steps for checking, filling, and changing the steering system fluid.

Engine Coolant

Instructions for checking, filling, and changing engine coolant.

Sterndrive Gear Lube

Procedures for checking, filling, and changing sterndrive gear lubricant.

Corrosion Protection

Information on galvanic corrosion, ground circuits, and MerCathode systems.

Flushing the Power Package

General information and procedures for flushing the engine cooling system.

Section 6 - Storage

Cold Weather or Extended Storage

Recommendations for preparing the boat for cold weather or extended storage.

Preparing Power Package for Storage

Steps for preparing the engine and fuel system for storage.

Draining the Seawater System

Procedures for draining the boat's seawater cooling system.

Section 7 - Troubleshooting

Diagnosing EFI Problems

Guidance on troubleshooting Electronic Fuel Injection system issues.

Diagnosing DTS Problems

Guidance on troubleshooting Digital Throttle and Shift system issues.

Troubleshooting Charts

Provides charts for diagnosing common engine starting and performance issues.

Poor Performance

Lists possible causes and remedies for general poor engine performance.

Engine Runs Rough, Misses, or Backfires

Troubleshooting guide for engines experiencing rough running or misfires.

Excessive Engine Temperature

Addresses causes and solutions for engine overheating problems.

Joystick

Symptoms and remedies related to joystick control issues.

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