🏷️ Basic Information Identification Make: YANMAR Models Covered: 1GM10(C), 2GM20(F)(C), 3GM30(F)(C), 3HM35(F)(C) Product Type Type: Marine Diesel Engine Service Repair Manual 📋 Manual Details General Manual Type: Service Repair Manual Language: English Page Count: 463 Format: PDF Features Printable: True Searchable: True Bookmarked: True Delivery Delivery Method: Instant Download Compatibility Operating Systems: All Versions of Windows & Mac Mobile Devices: APP ISO, iPhone, iPod, Android etc. Requirements Software Requirement: Adobe PDF Reader Content Overview Illustrative Content: Actual real photo illustrations, schemes, exploded diagrams, drawings Diagram Types: Electrical diagrams, Hydraulic diagrams Repair Scope: Assembling, Disassembling ⚙️ Engine Specifications General Engine Type: Marine Diesel Cooling System Cooling Options: Direct Sea-Water Cooling, Fresh Water Cooling Configuration Cylinder Count Indicated By Models: 1, 2, 3 Displacement Indicated By Models: Varies (e.g., 1GM10 suggests ~1.0L, 2GM20 suggests ~2.0L) Power Output Power Range Indicated By Models: Varies (e.g., 1GM10 likely ~9-10hp, 2GM20 likely ~20hp) Fuel System Fuel Type: Diesel Lubrication System Lubrication Method: Standard Engine Lubrication (details in manual) Ignition System Ignition Type: Compression Ignition (Diesel) Emission Control Emission Standards Covered: Not specified, likely regional/era specific 🔧 Transmission Gearbox Type: Reduction and Reversing Gear 🔧 Maintenance Troubleshooting Troubleshooting Procedures: True Servicing Servicing Procedures: True Technical Maintenance Technical Maintenance Procedures: True