Yanmar Diesel Marine Engine Service Manual

Models Included are:
1980-1983 YANMAR 1GM
1983-2009 YANMAR 1GM10
1980-1983 YANMAR 2GM
1983-2005 YANMAR 2GM20
1983-2005 YANMAR 2GM20F
1980-1983 YANMAR 2GMF
1980-1983 YANMAR 3GM
1983-2005 YANMAR 3GM30
1983-2005 YANMAR 3GM30F
1980-1983 YANMAR 3GMD
1980-1983 YANMAR 3GMF
1980-1983 YANMAR 3HM
1983-1992 YANMAR 3HM35
1983-1992 YANMAR 3HM35F
1980-1983 YANMAR 3HMF

The Yanmar inboard manual by Clymer is a great  reference for repair and service information. This service manual is written for the do-it-yourselfer as well as the experienced mechanic.  The repair manual contains hundreds of original photographs and illustrations obtained from the complete disassembly and assembly of the engine. This, in addition to extensive research, is how Clymer repair manuals achieve an unmatched level of detail.  The shop manual will guide mechanics and owners through each service, troubleshooting and repair procedure possible.

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The Yanmar diesel marine engine manual includes the following chapter information:

GENERAL INFORMATION
Manual organization / Notes, cautions and warnings / Safety first / Service hints / Parts replacement / Torque specifications / Fasteners / Lubricants / RTV gasket sealant / Threadlock / Basic hand tools / Precision measuring tools / Mechanic's tips / Bearing replacement / Seals

TROUBLESHOOTING
Starting system / Charging system / Charging system tests / Fuel system / Cooling system / Engine exhaust smoke / Engine noises / Engine troubleshooting / Cooling system / Lubrication system

OPERATION, LUBRICATION, MAINTENANCE AND TUNE-UP
Fuel requirements / Preoperational checks / Starting checklist / Stopping the engine / Emergency engine stopping / Post-operational checks / Engine maintenance and lubrication / Cooling system / Battery / Engine tune-up / Transmission

LAY-UP AND FITTING OUT
Lay-up / Cooling system draining / Fitting out

SINGLE-CYLINDER ENGINES
Diesel engine fundamentals / Engine serial number and code / Replacement parts / Engine removal precautions / Valve cover / Breather assembly / Decompression mechanism / Cylinder head / Rocker shaft assembly / Valves and valve seats / Push rods / Piston/connecting rod assembly / Timing gearcase / Lubrication system / Flywheel / Drive disc / Crankshaft / Main bearings / Camshaft / Cylinder block

MULTICYLINDER ENGINES
Engine serial number and code / Replacement parts / Engine / Valve cover / Breather assembly / Decompression mechanism / Exhaust manifold / Cylinder head / Rocker shaft assembly / Valves and valve seats / Push rods / Piston/connecting rod assembly / Timing gearcase / Lubrication system / Flywheel / Drive disc / Crankshaft / Main bearings / Camshaft / Cylinder block

FUEL INJECTION AND GOVERNOR SYSTEMS
Fuel injection fundamentals / Fuel injection system bleeding / Fuel injection timing / Fuel injector / Fuel injection pump / Fuel transfer pump / Fuel lines / Governor system

COOLING SYSTEM
Cooling systems / Thermostat / Hose replacement / Drive belts / Seawater pump / Freshwater pump / Freshwater cooling system maintenance / Seawater cooling system maintenance

ELECTRICAL SYSTEM
Battery / Electrical protection / Charging system / Starting system / Switches / Senders / Warning lamps / Alarm buzzer / Tachometer

TRANSMISSION--KM SERIES
Operation / Removal/installation / Overhaul / Reassembly / Bearing adjustment / Drive disc

TRANSMISSION--KBW SERIES
Operation / Removal/installation / Overhaul / Bearing adjustment / Drive disc

INDEX

WIRING DIAGRAMS