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Yanmar 2GM20 User Manual

Yanmar 2GM20
240 pages
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YANMAR
DIESEL
INBOARD
SHOP
MANUAL
ONE, TWO
s,
THREE
CYLINDER
ENGINES

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Yanmar 2GM20 Specifications

General IconGeneral
Number of Cylinders2
Cooling SystemFreshwater cooling with heat exchanger
Fuel SystemIndirect Injection
Starting SystemElectric Start
Bore x Stroke75 mm x 72 mm
Rated Power16 hp (11.9 kW) at 3600 rpm
Alternator12V - 35A
Lubrication SystemForced Lubrication
Weight114 kg
Engine TypeDiesel

Summary

General Information

SAFETY FIRST

Provides essential safety rules and precautions for working on the engine and equipment.

Troubleshooting

STARTING SYSTEM

Covers the components and operation of the engine's starting system and common troubleshooting.

CHARGING SYSTEM

Explains the components of the charging system and preliminary testing procedures.

FUEL SYSTEM

Provides an overview of the fuel system and notes on diesel fuel requirements.

COOLING SYSTEM

Introduces the cooling system and potential problems like engine overheating.

Operation, Lubrication, Maintenance and Tune-up

ENGINE MAINTENANCE AND LUBRICATION

Covers periodic maintenance and lubrication for engine longevity.

Single-Cylinder Engines

Multicylinder Engines

CYLINDER HEAD

Procedures for removing and installing the cylinder head.

Fuel Injection and Governor Systems

Fuel Injection Pump

Function and precision of the fuel injection pump.

FUEL INJECTOR

Function of fuel injectors and importance of clean fuel.

Cooling System

Freshwater (Closed) Cooling System

Function and maintenance of closed cooling systems.

Electrical System

Charging System

Charging system components and testing.

STARTING SYSTEM

Components, operation, and service of the starting system.

Transmission—KM Series

Transmission—KBW Series

WIRING DIAGRAMS

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