Mercury MerCruiser Axius SeaCore 377 MAG User Manual

© 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:

Mercury MerCruiser Axius SeaCore 377 MAG Specifications

General

Engine Type	V8
Horsepower	320 HP
Alternator	65 amp / 917 watt
Displacement	6.2L (377 CID)
Cooling System	Closed cooling
Drive System	Axius
Weight	Approx. 1, 050 lbs (476 kg)
Gear Ratio	2.20:1
Emissions	EPA and CARB compliant

Summary

Section 1 - Warranty

Mercury MerCruiser Limited Warranty (Gasoline-Fueled Products Only)

Outlines coverage, duration, and terms for gasoline-fueled Mercury MerCruiser products.

3-Year Limited Warranty Against Corrosion

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

Section 2 - Getting to Know Your Power Package

Operation

Instructions on how to operate the boat's power package.

Axius Premier Features (If equipped)

Track Waypoint

Waypoint Sequence

Axius Shift Override—Emergency Procedure

Procedure for manually shifting the drive in an emergency.

Section 3 - On The Water

Safe Boating Suggestions

Be Alert to Carbon Monoxide Poisoning

Information on the dangers and symptoms of carbon monoxide exposure.

Maneuvering with the Joystick

Detailed instructions on using the joystick for precise boat control.

Special Digital Throttle and Shift (DTS) Features

Auto Heading

Skyhook

Instructions for engaging and using the Skyhook feature.

Section 4 - Specifications

Fuel Requirements

Engine Oil

Engine Specifications

Technical details and performance data for the engines.

Section 5 - Maintenance

Maintenance Schedule—Sterndrive Models

Scheduled maintenance tasks for sterndrive models by interval.

Engine Oil

Procedures for checking, filling, and changing engine oil.

Sterndrive Gear Lube

Instructions for checking, filling, and changing sterndrive gear lube.

Water-Separating Fuel Filter (MPI)

Corrosion Protection

Section 6 - Storage

Preparing Power Package for Storage

Steps for preparing the engine and fuel system for storage.

Draining the Seawater System

Procedures for draining the engine's seawater cooling system.

Air Actuated Single Point Drain System

Power Package Recommissioning

Section 7 - Troubleshooting

Diagnosing EFI Problems

Diagnosing DTS Problems

Engine Guardian System

Starter Motor Will Not Crank Engine, Or Cranks Slow

Troubleshooting steps for starting issues related to the starter motor.

Engine Will Not Start or Is Hard to Start

Troubleshooting steps for engines that are difficult to start.

Poor Performance

Diagnosing and resolving issues related to poor engine performance.

Joystick

Troubleshooting common issues with the boat's joystick control.

Steering System

Troubleshooting steps for steering system problems.

Power Trim Does Not Operate (Motor Does Not Operate)