This comprehensive workshop repair and service manual provides in-depth information for Yanmar Marine diesel engines, covering models 1GM10(C), 2GM20(F)(C), 3GM30(F)(C), and 3HM35(F)(C). It's designed to equip you with the knowledge and instructions needed for DIY repairs and maintenance.

The manual delves into a wide range of topics, including general information, specifications, lubrication points, oil types, periodic maintenance and tune-up procedures, engine servicing, disassembly, reassembly, engine removal, fuel and lubrication systems, carburetor rebuild, carburetor adjustments, electrical system, ignition, charging, starter, battery, switches, chassis, wheels, brakes, steering, suspension, axles, chassis assembly, servicing information, wiring diagrams, wire/cable/hose routing, tools, tightening torques, service data, complete engine service, fuel system service, all factory repair procedures, wiring diagrams, gearbox, exhaust system, suspension, fault finding, clutch removal and installation, front suspension, bodywork, gearbox service, gearbox removal and installation, cooling system, detailed specifications, transmission, factory maintenance schedules, electrics, engine firing order, brake servicing procedures, U-joint service procedures, CV joint service procedures, timing chain service, exhaust service, and abundant illustrations.

Benefit from numerous pictures and diagrams that accompany the text, making it easier to understand complex procedures. This manual provides a thorough resource for anyone seeking to maintain and repair their Yanmar Marine diesel engine.

The Yanmar 1GM10(C), 2GM20(F)(C), 3GM30(F)(C), and 3HM35(F)(C) diesel engines are renowned for their reliability and durability, making them a popular choice for marine applications. These compact, single-cylinder engines offer ample power for a range of boats, from small sailboats and dinghies to larger cruisers and fishing vessels. They are known for their quiet operation, low fuel consumption, and ease of maintenance, making them ideal for both experienced and novice boat owners. The 1GM10 series, the smallest in the lineup, provides a reliable power source for small craft, while the 2GM20 series offers increased horsepower for larger vessels. The 3GM30 series is a popular choice for sailboats, delivering a balance of power and efficiency. Lastly, the 3HM35 series, with its higher horsepower, is better suited for larger boats and more demanding applications.

The Yanmar 1GM10(C), 2GM20(F)(C), 3GM30(F)(C), and 3HM35(F)(C) series engines feature a robust design emphasizing simplicity and ease of maintenance. These engines are renowned for their reliability and durability, often requiring minimal servicing and offering years of trouble-free operation. The "C" in the model designation indicates a "Common Rail" fuel injection system, which improves fuel efficiency and reduces emissions. The "F" designation indicates a freshwater-cooled engine, while the absence of "F" signifies a seawater-cooled engine. These engines are equipped with a variety of features that contribute to their long lifespan and smooth operation, including a replaceable wet liner, a robust crankshaft, and a durable cylinder head. The workshop manual mentioned provides comprehensive information on all aspects of these engines, including their operation, maintenance, troubleshooting, and repair, making it an invaluable resource for anyone looking to perform DIY maintenance or repairs.