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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
Owner's manual (A.2.5)
Openings in Hull, Deck and superstructure (A.3.4) ISO 9093‑1; ISO 9093‑2
Handling characteristics (A.4)
Inboard Engine (A.5.1.1)
Fuel System (A.5.2)
Electrical System (A.5.3)
Steering system (A.5.4)
Exhaust emission requirements (B.2)
Owner's manual (B.4)
Noise emission levels (C.1)
Ignition‑protected equipment (Annex II)
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
Generic immunity standard
Vehicles, boats and internal combustion engine
driven devices ‑ Radio disturbance characteristics
Electrostatic discharge testing
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.
President ‑ Mercury Marine, Fond du Lac, WI USA
Applicable Requirement
Patrick C. Mackey
Standards Applied
ISO 10240
ISO 8665
ISO 15584; ISO 10088; ISO 7840; ISO 10133
ISO 10088; ISO 7840; ISO 8469
ISO 10133; ISO 8846
Applicable portions of: ISO 10592, ISO 8848 and
ABYC P‑17
ISO 8178
ISO 8665
ISO 14509
ISO 8846; SAE J1171; SAE J1191; SAE J 2031
EN 50081‑1
EN 50082‑1
SAE J551 (CISPR 12)
EN 61000‑6‑2; EN 61000‑4‑2; EN61000‑4‑3
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Chapters
Table of Contents
Related Manuals for MerCruiser Scorpion 377
Summarization of Contents
Section 1 - Warranty
Warranty Registration
Details on registering your product for warranty coverage in all regions.
Transfer of Warranty
Information on transferring the product's limited warranty to a new owner.
Mercury Product Protection Plan
Details on an optional extended warranty plan for US and Canadian customers.
Mercury MerCruiser Limited Warranty
Explains the terms and conditions of the limited warranty for gasoline engines.
3-Year Limited Warranty Against Corrosion
Details the terms of the three-year limited warranty against corrosion damage.
Global Warranty Charts
Provides charts summarizing warranty coverage across different regions and brands.
Consumer Application Warranty Chart
Outlines the standard factory limited warranty for consumer applications by region.
Commercial Application Warranty Chart
Outlines the standard factory limited warranty for commercial applications by region.
Government Application Warranty Chart
Outlines the standard factory limited warranty for government applications by region.
Mercury Installation Quality Certification Program
Describes the program for certified manufacturers and its warranty benefits.
Emission Control Information Label
Explains the purpose and details of the emission control information label.
Owner Responsibility
Outlines the operator's responsibilities for maintaining the product and warranty.
Section 2 - Getting to Know Your Power Package
Identification
Explains the importance of serial numbers for service and engineering details.
Engine Serial Number Decal
Locates the engine serial number and specifications decals on the engine cover.
Lanyard Stop Switch
Describes the purpose and function of the lanyard stop switch for safety.
Instrumentation
Provides an overview of the gauges and instruments on the boat's dashboard.
Remote Controls
Explains the operation of Mercury Precision Parts or Quicksilver remote controls.
Electrical System Overload Protection
Explains how fuses and circuit breakers protect the electrical system.
Audio Warning System
Describes the audio warning system for critical engine faults and alerts.
Engine Guardian Strategy
Explains the Engine Guardian Strategy for reducing power to protect the engine.
Warning Horn Signals
Details the different states of warning horn signals and their meanings.
Section 3 - On the Water
Safe Boating Practices
Essential recommendations, hazard awareness, and ventilation advice.
Basic Boat Operation
Fundamental boat operation, starting/stopping, and essential checks.
Water Safety and Operational Risks
Addresses risks from people in water, high speeds, passenger safety, and environmental factors.
Performance Factors
Explains cavitation, ventilation, elevation, climate, and propeller selection.
Getting Started
Guides for the initial break-in period and post-season checks.
Section 4 - Specifications
Fuel Requirements
Information on approved gasoline types, octane ratings, and alcohol content.
Engine Oil
Recommends specific engine oil types and weights based on air temperature.
Engine Specifications
Lists key specifications for Scorpion 350 and 377 engine models.
Fluid Specifications
Details capacities and fluid types for engine oil and cooling systems.
Transmission
Lists fluid types and capacities for different transmission models.
Section 5 - Maintenance
Owner & Dealer Responsibilities
Outlines operator duties and dealer responsibilities for maintenance and service.
General Maintenance Information
Safety warnings, general advice, and inspection points for upkeep.
Maintenance Schedules
Lists routine and scheduled maintenance tasks with intervals.
Engine Oil System Maintenance
Detailed steps for checking, filling, and changing engine oil and filter.
Fuel System Maintenance
Procedures for replacing fuel filters to ensure proper fuel delivery.
Other Component Maintenance
Maintenance steps for transmission fluid, mufflers, flame arrestors, and PCV valves.
Drive Belt and Flushing Procedures
Guidance on drive belt service and flushing the cooling system.
Lubrication Points
Specific lubrication points for control cables and linkages.
Section 6 - Storage
Storage Preparation
Steps to prepare the engine and fuel system for storage.
Seawater System Draining
Safety and instructions for draining the seawater cooling system.
Drain System Procedures
Step-by-step guides for draining cooling systems based on drain type.
Battery Storage
Guidelines for storing the boat battery properly for extended periods.
Power Package Recommissioning
Steps to prepare the power package for operation after storage.
Section 7 - Troubleshooting
EFI System Diagnostics
Procedures for diagnosing EFI issues and understanding the Engine Guardian System.
Starting Problems
Lists causes and remedies for engine cranking and starting difficulties.
Engine Running Issues
Addresses issues like rough running, poor performance, and temperature problems.
System Specific Issues
Troubleshooting for oil pressure, battery, remote control, and steering system problems.
Section 8 - Customer Assistance Information
Service and Support Channels
Information on obtaining service, parts, and resolving product issues with Mercury.
Special Procedures and Reporting
Procedures for reporting theft, handling submersion, and selecting replacement parts.
Ordering Literature
Information needed and how to order additional product literature.
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