This manual covers the Kohler K91, K141, K161, K181, K241, K301, K321, and K341 series engines. These single-cylinder, four-stroke engines are designed for reliable performance and feature forced air cooling and magneto ignition systems. The various models offer displacements ranging from 14.1 cc to 34.1 cc, providing a versatile power solution for a wide array of applications. Their robust engineering ensures durability and consistent operation, making them a trusted choice for demanding tasks. This comprehensive Service Repair Workshop Manual provides essential information for maintaining and repairing your Kohler engine. It details general information, special tools, periodic maintenance schedules, and troubleshooting procedures. The manual also covers in-depth technical guidance on the air cleaner and air intake system, fuel system and governor, retractable starters, electrical system and components, automatic compression release, disassembly, inspection and repair, and reassembly. This resource is designed to assist owners, mechanics, and technicians in ensuring optimal performance and longevity of their Kohler engines.