This workshop service repair manual covers the Kohler K Series Single Cylinder Engine, a robust internal combustion engine designed for repair, maintenance, and servicing. This manual encompasses a range of engine models including the K91, K141, K161, K181, K241, K301, K321, and K341. Known for their engineering quality and reliability, these engines are a staple in various applications where dependable power is essential. The purpose of this manual is to provide comprehensive guidance for maintaining and repairing your Kohler K Series engine. It includes detailed, step-by-step written procedures accompanied by pictures, diagrams, and exploded views. Key areas covered include periodic maintenance, troubleshooting, engine disassembly, inspection, repair, and reassembly. Specific system coverage extends to the fuel, electrical, ignition, charging, air cleaner, and governor systems, ensuring all aspects of engine upkeep are addressed.