Models: 1GM10(C) 2GM20(F)(C) 3GM30(F)(C) 3HM35(F)(C) This is the most complete service repair manual for Yanmar Marine Diesel Engine 1GM10 2GM20 3GM30 3HM35 . This manual contains service, repair procedures, assembling, disassembling ,electrical diagrams and everything you need to know. Service Repair Manual Covers: CHAPTER 1 GENERAL CHAPTER 2 BASIC ENGINE CHAPTER 3 FUEL SYSTEM CHAPTER 4 GOVERNOR CHAPTER 5 INTAKE AND EXHAUST SYSTEM CHAPTER 6 LUBRICATION SYSTEM CHAPTER 7 DIRECT SEA-WATER COOLING SYSTEM CHAPTER 8 FRESH WATER COOLING SYSTEM CHAPTER 9 MODIFYING THE COOLING SYSTEM CHAPTER 10 REDUCTION AND REVERSING GEAR [A] For Engine Models 1GM10.2GM20(F) and 3GM30(F) [B] For Model 3GM35(F) [C] Marine Gear Models KM2P,KM3P, and KM3V for Engine Models 1GM10, 2GM20(F) and 3GM30(F) [D] V-drive Gear, Model KM3V CHAPTER 11 REMOTE CONTROL SYSTEM CHAPTER 12 ELECTRICAL SYSTEM CHAPTER 13 OPERATING INSTRUCTIONS CHAPTER 14 DISASSEMBLY AND REASSEMBLY (Direct Sea-Water Cooling Engine) CHAPTER 15 DISASSEMBLY AND REASSEMBLY (Fsesh Water Cooling Engine) ================================================== High Quality PDF Manual, All pages are printable. Instant Download No Shipping Cost No Need to Wait For A CD-ROM File Format: PDF Language: English Compatible: All Versions of Windows & Mac Requirements: Adobe PDF Reader Thank you for visiting!.