YANMAR 3YM30 3YM20 2YM15 3YM Marine Engine Workshop Manual

This repair service manual is designed for the Yanmar 3YM30, 3YM20, and 2YM15 marine diesel engines. It is a comprehensive guide that includes an operating manual and covers the following engine models:

• 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

The manual includes detailed information on various aspects of the engine, such as:

• 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 electronic format manual allows for easy printing of specific pages as needed. It contains detailed illustrations, step-by-step written instructions, and necessary diagrams or pictures. Whether you are a DIY enthusiast or an experienced mechanic, this manual serves as a valuable source of repair and service information. It provides the necessary detail and guidance to effectively carry out service, repair, and maintenance procedures for your vehicle.