This manual covers the Kohler K91, K141, K161, K181, K241, K301, K321, and K341 single-cylinder engines. These engines are known for their robust construction and reliable performance, making them suitable for a wide range of service, repair, and maintenance applications. This document provides comprehensive information to ensure these engines operate at their peak efficiency. The purpose of this English-language Factory Service Repair Manual is to provide detailed guidance for the service and repair of your Kohler engine. It includes step-by-step instructions, hundreds of photos and illustrations, and covers essential topics such as troubleshooting, fuel and lubrication systems, electrical components, and reassembly. This manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain and repair their engines effectively.