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MerCruiser 4.3 TKS User Manual

MerCruiser 4.3 TKS
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© 2012 Mercury Marine
4.3 TKS, 5.0 TKS, 5.7 TKS Models
*8M0053372*
90-8M0053372 1110
NOTE: The following applies to CE marked products only.
Declaration of Conformity – Mercury MerCruiser
This sterndrive or inboard engine when installed in accordance to Mercury MerCruiser's instructions complies with the
requirements of the following directives by meeting the associated standards, as amended:
Recreational Craft Propulsion Engines with the Requirements of Directive 94/25/EC as amended by 2003/44/EC
Name of engine manufacturer: Mercury Marine MerCruiser
Address: 3003 N. Perkins Road
Town: Stillwater, OK Post Code: 74075 Country: USA
Name of Authorized Representative: Brunswick Marine in EMEA Inc.
Address: Parc Industriel de Petit‑Rechain
Town: Verviers Post Code: 4800 Country: Belgium
Name of Notified Body for exhaust emission assessment: Det Norske Veritas AS
Address: Veritasveien 1
Town: Hovik Post Code: 1322 Country: Norway ID Number: 0575
Conformity assessment module used for exhaust
emissions:
B+C B+D B+E B+F G H
or engine type approved according to:
stage II of Directive 97/68/EC Directive 88/77/EC
Conformity assessment module used for noise emissions:
A Aa G H
Other Community Directives applied: Electromagnetic Compatibility Directive 2004/108/EC
Description of Engines and Essential Requirements
Engine Type
Fuel Type Combustion Cycle
☒ z or sterndrive with integral exhaust ☐ Diesel ☐ 2 stroke
☐ Inboard engine ☒ Petrol ☒ 4 stroke
Identification of Engines Covered by This Declaration of Conformity
Name of engine family
Unique engine identification number: starting serial number EC Module H certificate number
3.0 TKS OW319169 RCDH1
4.3 TKS OW319169 RCDH1
5.0 TKS OW319169 RCDH1
5.7 TKS OW319169 RCDH1
Essential requirements
standards
other normative document/
method
technical file
Please specify in more detail
(* = mandatory standard)
Annex 1.B—Exhaust Emissions
B.1 engine identification
B.2 exhaust emission requirements ☒* * EN ISO 8178‑1:1996
B.3 durability
B.4 owner's manual ISO 8665: 1995
Annex 1.C—Noise Emissions
C.1 Noise emission levels ☒* * EN ISO 14509
C.2 Owner's manual Owner's manual
This declaration of conformity is issued under the sole responsibility of the manufacturer. I declare on behalf of the engine
manufacturer that the engine(s) mentioned above complies (comply) with all applicable essential requirements in the way
specified.

Table of Contents

Questions and Answers:

MerCruiser 4.3 TKS Specifications

General IconGeneral
Engine TypeV6
IgnitionElectronic
StartingElectric
Compression Ratio9.4:1
Displacement4.3L (262 cid)
Horsepower190 HP
Cooling SystemRaw water cooling
Alternator65 Amp
Bore x Stroke4.00 x 3.48 in (101 x 88 mm)
Fuel Requirement87 Octane (minimum)
Fuel SystemTurn-Key Starting (TKS) carburetor

Summary

Section 1 - Warranty

Mercury MerCruiser Limited Warranty (Gasoline‑Fueled Products Only)

Details of the limited warranty for gasoline-fueled MerCruiser products.

3‑Year Limited Warranty Against Corrosion

Specific warranty coverage for corrosion damage on marine engines.

Global Application Warranty Charts

Warranty coverage details for various regions and applications.

Emission Control Warranty Information

Information regarding the warranty for engine emission control systems.

Section 2 - Getting to Know Your Power Package

Identification

Locating and understanding engine and sterndrive serial numbers and identification marks.

Lanyard Stop Switch

Explanation of the lanyard stop switch function and its importance for safety.

Instrumentation

Explanation of various gauges and instruments found on the boat's dashboard.

Power Trim

Function and operation of the power trim system for sterndrive angle adjustment.

Section 3 - On the Water

Safe Boating Suggestions

Recommendations for safe operation, including rules and equipment.

Be Alert to Carbon Monoxide Poisoning

Information on carbon monoxide hazards and prevention measures.

Impact with Underwater Hazards

Precautions and procedures for avoiding and reacting to underwater obstacles.

Getting Started

Initial setup and procedures for starting the boat, including break-in periods.

Section 4 - Specifications

Fuel Requirements

Recommended types and grades of gasoline for Mercury MerCruiser engines.

Engine Oil

Recommended engine oil types and specifications for MerCruiser engines.

Engine Specifications

Detailed technical specifications for 4.3 TKS, 5.0 TKS, and 5.7 TKS engines.

Section 5 - Maintenance

Owner/Operator Responsibilities

Operator's duties regarding safety checks, lubrication, and maintenance.

Maintenance Schedule–Sterndrive Models

Routine and scheduled maintenance tasks for sterndrive models.

Engine Oil

Procedures for checking, filling, and changing engine oil and filter.

Lubrication

Lubrication procedures for steering system, throttle, and shift cables.

Propellers

Procedures for propeller removal, installation, and repair.

Section 6 - Storage

Cold Weather or Extended Storage

Recommendations for preparing the power package for cold weather or extended storage.

Draining the Seawater System

Procedures for draining the seawater cooling system to prevent freeze damage.

Recommissioning the Power Package

Steps to prepare the engine for use after storage.

Section 7 - Troubleshooting

Starter Motor Will Not Crank Engine, Or Cranks Slow

Common causes and remedies for engine starting or cranking issues.

Engine Will Not Start Or Is Hard To Start

Troubleshooting steps for an engine that fails to start or starts with difficulty.

Poor Performance

Identifying and resolving causes of reduced engine performance.

Excessive Engine Temperature

Troubleshooting steps for engine overheating issues.

Section 8 - Customer Assistance Information

Owner Service Assistance

Information on obtaining service and locating authorized dealers.

Attention Required after Submersion

Immediate service requirements after a boat submerges.

Mercury Marine Service Offices

Contact information for Mercury Marine service offices worldwide.

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