TABLE OF CONTENTS Ask Your Authorized Yanmar Marine Dealer or Distributor For Help ........................................ 43 Tightening Fasteners ...................................... 44 EPA Maintenance Requirements .............................. 45 EPA Requirements for USA and Other Applicable Countries ..................................................... 45 Conditions to Ensure Compliance with EPA Emission Standards ........................................ 45 Inspection and Maintenance ............................. 45 Periodic Maintenance Schedule ...............................
46 Inspection and Maintenance of EPA Emission- Related Parts ................................................ 48 Periodic Maintenance Procedures ............................ 49 After Initial 50 Hours of Operation ...................... 49 Every 50 Hours of Operation ............................. 52 Every 150 Hours of Operation ........................... 53 Every 250 Hours of Operation ........................... 54 Every 1000 Hours of Operation ......................... 58 Troubleshooting ....................................................... 59 Troubleshooting After Starting ................................. 59 Troubleshooting Information ....................................
60 Troubleshooting Chart ........................................... 61 Long-Term Storage ................................................... 65 Prepare Engine for Long-Term Storage ...................... 65 Draining the Cooling System ................................... 66 Specifications .......................................................... 67 Principal Engine Specifications ................................ 67 1GM10 Engine Specifications ........................... 67 1GM10C Engine Specifications ......................... 69 1GM10V Engine Specifications ......................... 71 System Diagrams .....................................................
73 Piping Diagrams ................................................... 73 Wiring Diagrams ................................................... 76 Emission System Warranty ........................................ 81 Non-Road Emission System Warranty ....................... 81 Yanmar Co., Ltd. Limited Emission Control System Warranty - USA Only ............................ 81 Maintenance Log ........................................... 84 GM Series Operation Manual v © 2007 Yanmar Marine International