🏷️ Basic Information Identification Make: Yanmar Model: 3YM30, 3YM20, 2YM15 Type: Marine Diesel Engine 📋 Manual Details Documentation Manual Type: Service Repair Workshop Manual Language: English Format: PDF Compatibility: All Versions of Windows & Mac Requirements: Adobe PDF Reader, WinZip Content Detail Level: Highly Detailed, Hundreds of Photos and Illustrations Features Printable: All pages are printable ⚙️ Engine Specifications General Engine Type: Diesel Cylinders: 3 (for 3YM30, 3YM20), 2 (for 2YM15) Technical Bore: Undisclosed in product description Stroke: Undisclosed in product description Cooling System: Water Cooling Fuel System: Direct Injection Emission Control: Undisclosed in product description Ignition System: Glow Plug Start Assist Performance Power Output 3Ym30: 29.6 HP (22.1 kW) at 3600 RPM Power Output 3Ym20: 20.0 HP (14.9 kW) at 3600 RPM Power Output 2Ym15: 14.2 HP (10.6 kW) at 3600 RPM 🔧 Transmission Gearbox Type: Reduction and Reversing Gear 🔧 Maintenance Servicing Covered Procedures: Inspection, Adjustment, Troubleshooting, Disassembly/Reassembly, Engine Parts Servicing, Fuel Injection, Intake/Exhaust, Lubrication, Cooling, Gearbox, Remote Control, Electrical System Intervals Service Interval: Refer to manual for specific intervals Fluid Capacity Oil Capacity: Refer to manual for specific capacities