Volvo Penta 4.3GS/SX User Manual

OWNERS MANUAL
3.0GS/SX, 4.3GL/SX/DP-S, 4.3GS/SX/DP-S, 4.3Gi/SX/DP-S
5.0GL/SX/DP-S, 5.0Gi/SX/DP-S , 5.7GS/SX/DP-S, 5.7GSi/DP-S

Volvo Penta 4.3GS/SX Specifications

General

Engine Type	V6
Compression Ratio	9.4:1
Displacement	4.3L (262 cu in)
Fuel System	Multi-port fuel injection
Drive	SX drive system
Cooling System	Closed-Circuit Cooling

Summary

Safety Precautions

Safety precautions for operating the boat

General safety guidelines for operating the boat safely.

Safety precautions for maintenance and service

Safety measures to follow during engine and drive maintenance.

Introduction

Environmental Responsibility and Engine Care

Volvo Penta's environmental commitment and user's role in engine care.

Running-in and Service Guidelines

Procedures for breaking in a new engine and importance of service.

Certified Engines and Warranty Information

Requirements for certified engines and details on warranty coverage.

Identification Numbers

Presentation of Engine and Drive Components

3.0GS Engine and SX-C, SX-M Drive Components

Identification of key components for the 3.0GS engine and SX-C/SX-M drive.

4.3L Engine and SX-C, SX-M Drive Components

Identification of key components for 4.3L engines and SX-C/SX-M drive.

5.0/5.7L Engine and DP-S, DP-SM Drive Components

Identification of key components for 5.0/5.7L engines and DP-S/DP-SM drive.

Instrumentation Overview

Engine Gauges (Tachometer, Temperature, Oil Pressure)

Explanation of key engine gauges and their normal readings.

Voltmeter, Instrument Lighting, and Ignition Switch

Operation of voltmeter, lighting controls, and ignition switch.

Emergency Stop Switch

Controls Operation

Maneuvering and Gear Shifting

How to operate the control lever for maneuvering and shifting gears.

Disengaging Shift Function

Procedure to disengage shift function for engine speed control only.

Power Trim System

Trim Controls and Operation

Using control panel buttons to trim the drive unit for optimal boat performance.

Trim Instruments (Analogue & Digital)

Analogue and digital instruments for monitoring drive trim position.

Trim/Tilt Motor Protection and Impact

Protecting trim motor and drive unit from damage during operation and impact.

Optimizing Boat Performance with Trim

Adjusting trim for starting, planing, fuel economy, sea conditions, and side winds.

Operation

Checking Instruments

How to read and interpret engine instruments for normal operation.

Engine Protection Mode

How the engine enters protection mode and what to do if it occurs.

Master/Slave and High Altitude Operation

Information on twin engine installations and performance at high altitudes.

How to Shift and Control Speed

Shifting and Speed Control

Proper methods for shifting gears and controlling speed for safe operation.

Twin Unit Maneuvering

Specific techniques for maneuvering boats with twin engines.

Cruising Speed

Wide Open Throttle (WOT) Range

Recommended RPM ranges for maximum engine performance at full throttle.

Power Trim for Optimal Cruising

Adjusting trim for optimal boat performance at cruising speeds.

Trim Operation for Different Conditions

Drive in "Beach" and "Lift" Ranges

Shallow Water Running and Grounding Procedures

Using the "Beach range" for shallow water and handling grounding situations.

Kick-up Function and Lift Range Precautions

How the kick-up function works and precautions for the "Lift range".

After Use Procedures

Stopping the Engine and Safety Measures

Procedures for stopping the engine and essential safety checks before shutdown.

Seasonal Operation and Storage

Salt Water Operation Guidelines

Guidelines for operating and maintaining the sterndrive in salt water.

Cold Weather Precautions and Laying Up

Protecting the engine from freezing and procedures for storing the boat.

Transporting and Laying Up on Land

Transporting on a Trailer

Steps for safely transporting the boat on a trailer, including drive unit positioning.

Laying Up on Land Procedures

Storing the boat on land, focusing on galvanic corrosion protection.

Other Product Information: Fuel

Fuel Requirements and Specifications

Details on recommended fuel types, octane ratings, and additives.

Electronic Engine Control

Maintenance and Care

Engine Belt Adjustments

Procedures for checking and adjusting alternator, water pump, and power steering belts.

Power Steering Fluid and Exhaust System Checks

Checking power steering fluid level and inspecting the exhaust system.

Lubrication System: Oil Level

Engine Oil Level Check and Topping Up

Daily checks and procedures for maintaining the engine oil level.

Oil and Oil Filters Replacement

Cooling System

Draining Cooling System Components

Detailed steps for draining the cooling system from various points.

Cooling System Inhibiting

Fuel System

Fuel Pumps and Their Operation

Checking fuel pumps for leaks and understanding their operation.

Fuel Injection and Flame Trap Maintenance

Information on TBI system and cleaning the flame trap.

Fuel Filter Replacement

Fuel Filter Replacement Procedures

Steps for replacing fuel filters for different engine models.

Carburetor Filter and Adjustment

Checking carburetor filters and adjusting idle speed and fuel mixture.

Ignition System

Spark Plugs Maintenance

Inspecting, gapping, and replacing spark plugs for optimal performance.

Ignition Cables and Distributor Cap

Maintenance of ignition cables and distributor cap for reliable ignition.

Firing Orders

Electrical Systems

Electrolytic Corrosion Prevention

Protecting the boat's electrical system and drive unit from galvanic corrosion.

Electrical System Components

Main Power Switch, Generator, and Batteries

Safe operation of the main power switch, generator, and battery maintenance.

Battery Charging and Electrolyte Levels

Battery and Electrical Connection Maintenance

Fuses in the Electrical System

Fuse Locations and Types

Identifying fuse locations and ratings for various engine and drive systems.

Fuse Information for 4.3, 5.0, 5.7 Models

Specific fuse ratings for 4.3, 5.0, and 5.7 model engines and drive units.

Drive: SX and DP-S

Corrosion Protection and Anodes

Inspecting and maintaining sacrificial anodes for corrosion protection.

Active Corrosion-Protection System

How the Active Corrosion-Protection System works and its benefits.

Drive Unit Oil Maintenance

Drive Unit Oil Level Check and Topping Up

Procedures for checking and maintaining the drive unit oil level.

Drive Oil Replacement (SX and DP-S)

Step-by-step guide for changing the oil in SX and DP-S drive units.

Drive Unit Lubrication and Bellows

Primary Shaft Bearing and U-Joint Lubrication

Lubrication procedures for primary shaft bearings and U-joints.

Bellows Replacement

Checking and replacing universal joint and exhaust pipe bellows.

Power Trim Pump Oil Level

Drive Adjustments and Alignment

Trim Fin Adjustment (SX Drive)

Adjusting the trim fin on SX drives for optimal boat handling.

Twin Drive Adjustment and Engine Alignment

Adjusting twin drives and importance of correct engine alignment.

Propellers

Propeller Selection and Checks

Choosing correct propellers for performance and checking their condition.

Propeller Identification and Care

Identifying DP-S drive propellers and best practices for propeller care.

Propeller Replacement, SX Drive

Propeller Replacement, DP-S Drive

Maintenance Schedule

Laying Up/Launching

Inhibiting Procedures

Steps for inhibiting the engine and boat systems for winter or off-season storage.

Bringing Out of Storage

Painting the Drive and Keel

Troubleshooting Common Issues

Technical Data Specifications