This repair manual covers Kohler single-cylinder, 4-stroke engines, specifically models K91, K141, K161, K181, K241, K301, K321, and K341. These engines are engineered for reliability and designed for a variety of repair, service, and routine maintenance applications. Their robust construction ensures consistent performance across demanding tasks, making them a dependable choice for their intended uses. This comprehensive manual provides detailed guidance for maintaining and repairing your Kohler engine. It includes in-depth coverage of routine maintenance, engine removal and installation, fuel system, lubrication and cooling systems, engine specifications, transmission, drive chains, sprockets, steering systems, shocks, body work, intake and exhaust systems, and electrical systems. Furthermore, advanced troubleshooting procedures are outlined to assist in diagnosing and resolving complex issues, ensuring your engine remains in optimal working condition.