This repair manual covers single-cylinder, 4-stroke engines, specifically models K91, K141, K161, K181, K241, K301, K321, and K341. These engines are designed for a variety of applications, including UTVs, motorcycles, ATVs, quads, snowmobiles, Seadoo, equipment, small engines, inboards, and outboards. The manual focuses on providing comprehensive information for repair, routine maintenance, and parts lookup, ensuring the longevity and optimal performance of your engine. This comprehensive English-language repair manual is designed to assist owners, mechanics, and technicians in maintaining and repairing their engines. It includes detailed sections on general information, routine maintenance, engine removal and installation, fuel systems, lubrication and cooling systems, engine specifications, transmission, drive chain and sprockets, steering systems, shocks, body work, intake and exhaust, electrical systems, and advanced troubleshooting. This resource is intended for electronic access to essential repair and maintenance procedures.