This comprehensive service manual provides detailed information on Kohler KT series engines, covering models KT17, KT19 series II, and KT17, KT19, KT21, manufactured between 1978 and 1984. The manual is an essential resource for mechanics, technicians, and DIY enthusiasts seeking to maintain, repair, or troubleshoot these engines. It begins with an overview of engine fundamentals, followed by a dedicated section on troubleshooting common issues. The manual then delves into specific engine systems, including air intake, fuel system and governor, lubrication, and electrical system. Detailed instructions are provided for disassembly and subsequent reassembly processes. Each section is presented in a clear and concise manner, making it easy to navigate and understand.

The Kohler KT series engines, manufactured between 1978 and 1984, are a line of powerful and reliable small gasoline engines designed for a variety of applications. The KT series encompasses models like the KT17, KT19 Series II, KT17, KT19, and KT21, each distinguished by its specific horsepower rating and intended use. These engines are known for their durability, efficiency, and ease of maintenance, making them popular choices for equipment like lawnmowers, generators, pumps, and other small machinery. The KT series engines feature a robust cast iron construction, ensuring longevity and resistance to wear and tear. Their simple design allows for easy troubleshooting and repair, further enhancing their reputation for reliability. The Kohler KT engines were available in a range of configurations, including air-cooled and liquid-cooled versions, depending on the application's requirements. They are designed to be compact and lightweight, making them suitable for mounting on various equipment. The engines also boast features such as a choke system for cold starting, an oil filter for improved lubrication, and a governor to regulate engine speed, all contributing to their overall performance and efficiency. The Kohler KT series engines were a significant contribution to the small engine market, providing a reliable and dependable power source for numerous applications. Their popularity and enduring legacy are a testament to their quality and construction, establishing them as a cornerstone of many small machines and equipment.