The YANMAR 1GM, 2GM, 3GM, and 3HM series are robust vertical 4-cycle, water-cooled marine diesel engines designed for reliable marine propulsion. These engines, available in various displacements including 0.318L for the 1GM10, 0.638L for the 2GM20, 0.954L for the 3GM30, and 1.282L for the 3HM35, represent a commitment to engineering quality and dependable performance in marine applications. Their construction prioritizes durability and efficiency, making them a trusted choice for boat owners and operators seeking consistent power.
This workshop repair manual provides comprehensive guidance for the maintenance and repair of your YANMAR marine diesel engine. It covers essential areas such as the fuel system, fuel injection, governor system, intake and exhaust systems, lubrication, cooling, and the reduction and reversing gears. Detailed procedures for routine maintenance, larger repairs, and modifications are included, along with information on the electrical system and instrument panel. This manual is an indispensable resource for owners, mechanics, and technicians to ensure the optimal performance and longevity of their YANMAR engine.
YANMAR 1GM 2GM 3GM 3HM MARINE DIESEL ENGINE WORKSHOP REPAIR SERVICE MANUAL
MODELS COVERED:
1GM10(C)
2GM20 (F)(C)
3GM30 (C)(C)
3HM35 (F)(C)
ENGINE COVERED:
0.318L 1-CYLINDER, VERTICAL 4-CYCLE, WATER-COOLED 1GM10 DIESEL ENGINE
0.638L 2-CYLINDER, VERTICAL 4-CYCLE, WATER-COOLED 2GM20 DIESEL ENGINE
0.954L 3-CYLINDER, VERTICAL 4-CYCLE, WATER-COOLED 3GM30 DIESEL ENGINE
1.282L 3-CYLINDER, VERTICAL 4-CYCLE, WATER-COOLED 3HM35 DIESEL ENGINE
CONTENTS:
GENERAL INFORMATION
SAFETY & CAUTION
BASIC ENGINE
FUEL SYSTEM
FUEL INJECTION
GOVERNOR SYSTEM
INTAKE SYSTEM
EXHAUST SYSTEM
LUBRICATION SYSTEM
COOLING SYSTEM
THERMOSTAT
FRESH WATER COOLING SYSTEM
SEA WATER COOLING SYSTEM
MODIFYING THE COOLING SYSTEM
REDUCTION GEAR
REVERSING GEAR
SHIFTING DEVICE
REMOTE CONTROL SYSTEM
ELECTRICAL SYSTEM
STARTER MOTOR
INSTRUMENT PANEL
OPERATING INSTRUCTIONS
DISASSEMBLY & ASSEMBLY
THIS MANUAL IS COMPATIBLE WITH THE FOLLOWING COMPUTER OPERATING SYSTEMS:
# ALL WINDOWS VERSION
# ALL MAC VERSION
# YOU NEED THE ADOBE ACROBAT READER TO VIEW THE DOCUMENT AS THE MANUAL IS PDF FORMAT. IF YOUR COMPUTER DON'T HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM ADOBE ACROBAT WEBSITE
# AS THIS MANUAL IS COMING TO YOU IN ZIP FORMAT, YOU NEED TO EXTRACT THE FILE BEFORE USE BY USING WINZIP OR WINRAR SOFTWARE. IF YOUR COMPUTER DON'T HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM WINZIP WEBSITE
THIS IS A VERY COMPREHENSIVE AND INTUITIVE ELECTRONIC PDF FORMAT WORKSHOP MANUAL WHICH HAS DETAILED ILLUSTRATIONS AS WELL AS STEP BY STEP INSTRUCTIONS WITH PICTURES & DIAGRAMS. ALL PAGES ARE PRINTABLE, SO RUN OFF WHAT YOU NEED AND TAKE IT WITH YOU INTO THE GARAGE OR WORKSHOP. THIS MANUAL ARE YOUR NUMBER ONE SOURCE FOR REPAIR AND SERVICE INFORMATION. THEY ARE SPECIFICALLY WRITTEN FOR THE DO-IT-YOURSELF AS WELL AS THE EXPERIENCED MECHANIC. USING THIS REPAIR MANUAL IS AN INEXPENSIVE WAY TO KEEP YOUR MACHINE/VEHICLE WORKING PROPERLY. EACH MANUAL PROVIDES STEP-BY-STEP INSTRUCTIONS BASED ON THE COMPLETE DIS-ASSEMBLY OF THE MACHINE. SO, IT ALLOWING YOU TO STOP WASTING MONEY ON ROUTINE MAINTENANCE, AND GIVE YOU ALL THE SOLID INFORMATION AND GUIDANCE NEEDED TO PERFORM LARGER REPAIRS AND MODIFICATIONS AT HOME.
YANMAR 1GM 2GM 3GM 3HM MARINE DIESEL ENGINE WORKSHOP REPAIR SERVICE MANUAL
MODELS COVERED:
1GM10(C)
2GM20 (F)(C)
3GM30 (C)(C)
3HM35 (F)(C)
ENGINE COVERED:
0.318L 1-CYLINDER, VERTICAL 4-CYCLE, WATER-COOLED 1GM10 DIESEL ENGINE
0.638L 2-CYLINDER, VERTICAL 4-CYCLE, WATER-COOLED 2GM20 DIESEL ENGINE
0.954L 3-CYLINDER, VERTICAL 4-CYCLE, WATER-COOLED 3GM30 DIESEL ENGINE
1.282L 3-CYLINDER, VERTICAL 4-CYCLE, WATER-COOLED 3HM35 DIESEL ENGINE
CONTENTS:
GENERAL INFORMATION
SAFETY & CAUTION
BASIC ENGINE
FUEL SYSTEM
FUEL INJECTION
GOVERNOR SYSTEM
INTAKE SYSTEM
EXHAUST SYSTEM
LUBRICATION SYSTEM
COOLING SYSTEM
THERMOSTAT
FRESH WATER COOLING SYSTEM
SEA WATER COOLING SYSTEM
MODIFYING THE COOLING SYSTEM
REDUCTION GEAR
REVERSING GEAR
SHIFTING DEVICE
REMOTE CONTROL SYSTEM
ELECTRICAL SYSTEM
STARTER MOTOR
INSTRUMENT PANEL
OPERATING INSTRUCTIONS
DISASSEMBLY & ASSEMBLY
THIS MANUAL IS COMPATIBLE WITH THE FOLLOWING COMPUTER OPERATING SYSTEMS:
# ALL WINDOWS VERSION
# ALL MAC VERSION
# YOU NEED THE ADOBE ACROBAT READER TO VIEW THE DOCUMENT AS THE MANUAL IS PDF FORMAT. IF YOUR COMPUTER DON'T HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM ADOBE ACROBAT WEBSITE
# AS THIS MANUAL IS COMING TO YOU IN ZIP FORMAT, YOU NEED TO EXTRACT THE FILE BEFORE USE BY USING WINZIP OR WINRAR SOFTWARE. IF YOUR COMPUTER DON'T HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM WINZIP WEBSITE
THIS IS A VERY COMPREHENSIVE AND INTUITIVE ELECTRONIC PDF FORMAT WORKSHOP MANUAL WHICH HAS DETAILED ILLUSTRATIONS AS WELL AS STEP BY STEP INSTRUCTIONS WITH PICTURES & DIAGRAMS. ALL PAGES ARE PRINTABLE, SO RUN OFF WHAT YOU NEED AND TAKE IT WITH YOU INTO THE GARAGE OR WORKSHOP. THIS MANUAL ARE YOUR NUMBER ONE SOURCE FOR REPAIR AND SERVICE INFORMATION. THEY ARE SPECIFICALLY WRITTEN FOR THE DO-IT-YOURSELF AS WELL AS THE EXPERIENCED MECHANIC. USING THIS REPAIR MANUAL IS AN INEXPENSIVE WAY TO KEEP YOUR MACHINE/VEHICLE WORKING PROPERLY. EACH MANUAL PROVIDES STEP-BY-STEP INSTRUCTIONS BASED ON THE COMPLETE DIS-ASSEMBLY OF THE MACHINE. SO, IT ALLOWING YOU TO STOP WASTING MONEY ON ROUTINE MAINTENANCE, AND GIVE YOU ALL THE SOLID INFORMATION AND GUIDANCE NEEDED TO PERFORM LARGER REPAIRS AND MODIFICATIONS AT HOME.
