This Service Repair Workshop Manual covers Kohler K91, K141, K161, and K1181 single-cylinder engines. These engines are renowned for their robust engineering and reliability, making them a trusted choice for various applications requiring dependable power. This manual provides comprehensive guidance for the repair and maintenance of these specific engine models, ensuring their optimal performance and longevity. This manual is designed to be an indispensable resource for owners, mechanics, and technicians. It offers detailed, step-by-step instructions and highly detailed exploded diagrams for all repair and maintenance procedures, covering everything from general information and specifications to troubleshooting and adjustments. The content is equivalent to a factory workshop manual, providing A-Z coverage for all models and repairs, and is presented in English for ease of use on PC, tablet, or laptop.