This comprehensive workshop repair manual provides detailed instructions and technical specifications for a range of John Deere 100 Series lawn tractors, specifically models 130, 160, 165, 175, 180, and 185. The manual covers a wide array of components and systems, equipping you with the necessary knowledge to diagnose, repair, and maintain your lawn tractor effectively. It encompasses general information about the tractor, safety precautions, and tightening torque specifications. In addition to detailed instructions on engine removal and installation, the manual delves into crucial systems such as the fuel and lubrication systems, tune-up procedures, and muffler system. A thorough understanding of the air cleaner, carburetor, fuel pump, starter, and ignition systems is provided. Furthermore, the manual covers the PTO clutch, powered wheels, traction drive clutch, 5-speed transaxle, hydrostatic transmission, hydrostatic differential, steering system, front axle, brake system, linkage system, mower spindles, and mower lift linkage. For troubleshooting, you'll find engine diagnostics and operation & test system information within the manual. The manual concludes with comprehensive wiring diagrams for easy reference.