This manual covers YANMAR marine diesel engines, specifically models including the 3YM30, 3YM30C, 3YM20, 3YM20C, 2YM15, 2YM15C, and 3YM. These engines are designed for marine applications and are characterized by their vertical, water-cooled, 4-cycle, naturally aspirated diesel configurations. The 3YM30 and 3YM20 feature 3-cylinder designs with displacements of 1.115 L and 0.854 L respectively, while the 2YM15 is a 2-cylinder engine with a 0.570 L displacement. These engines are built with robust engineering for reliability in demanding marine environments.
This comprehensive repair service manual provides detailed information essential for the maintenance and repair of your YANMAR engine. It includes step-by-step procedures, detailed exploded views, and clear diagrams to guide you through all aspects of servicing. The manual covers a wide range of systems, including the basic engine, fuel, lubrication, cooling, and electrical systems, as well as the reduction and reversing gearboxes. A dedicated troubleshooting guide and wiring diagrams are also included to assist in diagnosing and resolving issues.
YANMAR 3YM30 3YM20 2YM15 3YM MARINE DIESEL ENGINE REPAIR SERVICE MANUAL
System Requirements:
This FILE is compatible with the following operating systems:
Windows 95, 98, 2000, ME, NT, XP, Vista and Windows 7 & 8, 10
Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard and Mac OS X 10.6 Snow Leopard
NOTE: You will need Adobe Acrobat Reader to view the document.
Most computers will have this application pre-installed,
but you can download it free from
OPERATING MANUAL ALSO INCLUDED WITH THIS SERVICE REPAIR MANUAL
ENGINE COVERED:
1.115L 3-CYLINDER, VERTICAL WATER-COOLED, 4-CYCLE, NATURALLY ASPIRATED 3YM30/3YM30C DIESEL ENGINE
0.854L 3-CYLINDER, VERTICAL WATER-COOLED, 4-CYCLE, NATURALLY ASPIRATED 3YM20/3YM20C DIESEL ENGINE
0.570L 2-CYLINDER, VERTICAL WATER-COOLED, 4-CYCLE, NATURALLY ASPIRATED 2YM15/2YM15C DIESEL ENGINE
CONTENTS:
GENERAL INFORMATION
BASIC ENGINE
CYLINDER HEAD/BLOCK
CONNECTING ROD
PISTON & PISTON PIN
TIMING GEAR
CAMSHAFT/CRANKSHAFT
FUEL SYSTEM
FUEL INJECTION
INTAKE SYSTEM
FUEL FEED PUMP
TROUBLESHOOTING
EXHAUST SYSTEM
LUBRICATION SYSTEM
COOLING SYSTEM
THERMOSTAT
REDUCTION GEAR
REVERSING GEAR
SHIFTING DEVICE
REMOTE CONTROL SYSTEM
ELECTRICAL SYSTEM
STARTER MOTOR
INSTRUMENT PANEL
OPERATING INSTRUCTIONS
WIRING DIAGRAM
TIGHTENING TORQUE
This is a very comprehensive manual (DOWNLOAD in PDF format) for YANMAR 3YM30 3YM20 2YM15 3YM MARINE DIESEL ENGINE, Features detailed exploded views. This is the same manual that technicians use to fix your vehicles. Manual covers detailed and complete step-by-step written procedures with pictures and diagrams, fully printable-selected pages or whole manual, illustrated. So, you will not be disappointed. This is the manual for Repairs, Maintenance & servicing.
YANMAR 3YM30 3YM20 2YM15 3YM MARINE DIESEL ENGINE REPAIR SERVICE MANUAL
System Requirements:
This FILE is compatible with the following operating systems:
Windows 95, 98, 2000, ME, NT, XP, Vista and Windows 7 & 8, 10
Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard and Mac OS X 10.6 Snow Leopard
NOTE: You will need Adobe Acrobat Reader to view the document.
Most computers will have this application pre-installed,
but you can download it free from
OPERATING MANUAL ALSO INCLUDED WITH THIS SERVICE REPAIR MANUAL
ENGINE COVERED:
1.115L 3-CYLINDER, VERTICAL WATER-COOLED, 4-CYCLE, NATURALLY ASPIRATED 3YM30/3YM30C DIESEL ENGINE
0.854L 3-CYLINDER, VERTICAL WATER-COOLED, 4-CYCLE, NATURALLY ASPIRATED 3YM20/3YM20C DIESEL ENGINE
0.570L 2-CYLINDER, VERTICAL WATER-COOLED, 4-CYCLE, NATURALLY ASPIRATED 2YM15/2YM15C DIESEL ENGINE
CONTENTS:
GENERAL INFORMATION
BASIC ENGINE
CYLINDER HEAD/BLOCK
CONNECTING ROD
PISTON & PISTON PIN
TIMING GEAR
CAMSHAFT/CRANKSHAFT
FUEL SYSTEM
FUEL INJECTION
INTAKE SYSTEM
FUEL FEED PUMP
TROUBLESHOOTING
EXHAUST SYSTEM
LUBRICATION SYSTEM
COOLING SYSTEM
THERMOSTAT
REDUCTION GEAR
REVERSING GEAR
SHIFTING DEVICE
REMOTE CONTROL SYSTEM
ELECTRICAL SYSTEM
STARTER MOTOR
INSTRUMENT PANEL
OPERATING INSTRUCTIONS
WIRING DIAGRAM
TIGHTENING TORQUE
This is a very comprehensive manual (DOWNLOAD in PDF format) for YANMAR 3YM30 3YM20 2YM15 3YM MARINE DIESEL ENGINE, Features detailed exploded views. This is the same manual that technicians use to fix your vehicles. Manual covers detailed and complete step-by-step written procedures with pictures and diagrams, fully printable-selected pages or whole manual, illustrated. So, you will not be disappointed. This is the manual for Repairs, Maintenance & servicing.