This comprehensive Kohler AEGIS 17, 20, and 23 hp service repair manual provides detailed information, diagrams, and photos to assist you in repairing your engine. The manual is designed to be fully printable and covers a vast array of topics to ensure you have everything you need to successfully resolve any issues.

The manual is structured into eleven sections:

**Section 1: Safety and General Information**
This section will detail important safety precautions to follow when working on your engine. It also provides general information about the engine's design and operation.

**Section 2: Special Tools**
This section lists the specific tools required for servicing and repairing your engine.

**Section 3: Troubleshooting**
This section offers a comprehensive guide to troubleshooting common engine problems, helping you identify potential issues and find solutions.

**Section 4: Air Cleaner and Intake System**
This section covers the maintenance and repair of the air cleaner and intake system, crucial components for optimal engine performance.

**Section 5: Fuel System and Governor**
This section delves into the fuel system and governor, detailing their operation, maintenance, and troubleshooting procedures.

**Section 6: Lubrication System**
This section focuses on the lubrication system, providing guidance for maintaining the engine's vital oil systems.

**Section 7: Cooling System**
This section covers the cooling system, essential for keeping your engine operating at optimal temperatures.

**Section 8: Electrical System and Components**
This section addresses the engine's electrical system, providing a detailed guide to its components, operation, and repair.

**Section 9: Disassembly**
This section provides step-by-step instructions on how to safely disassemble your engine for repair or inspection.

**Section 10: Inspection and Reconditioning**
This section guides you through inspecting and reconditioning engine components, ensuring they are in optimal working order.

**Section 11: Reassembly**
This section provides comprehensive instructions on how to reassemble your engine after repairs or inspection, ensuring proper functionality.

The manual's thorough and detailed approach provides everything you need to effectively repair and maintain your Kohler AEGIS 17, 20, and 23 hp engine.

The Kohler AEGIS 17, 20, and 23 hp engines are a series of robust, liquid-cooled, vertical crankshaft engines designed for demanding applications. These engines are known for their reliability and durability, making them ideal for use in a wide range of equipment, including generators, industrial machinery, and agricultural equipment. The AEGIS engines feature a cast-iron cylinder block and cylinder head, providing exceptional strength and longevity. The liquid-cooled design ensures efficient heat dissipation, allowing the engine to operate at optimal temperatures even under heavy loads.

The AEGIS 17, 20, and 23 hp engines are distinguished by their power outputs, with the 17 hp model offering a compact and efficient solution for smaller applications, while the 20 hp and 23 hp models provide increased power for more demanding tasks. Each engine comes equipped with a robust crankshaft, ensuring smooth and reliable operation. The vertical crankshaft design optimizes space utilization, making it suitable for various mounting configurations. These engines are further enhanced with features such as a heavy-duty air cleaner, a high-volume oil pump, and a durable alternator, contributing to their overall performance and reliability. The Kohler AEGIS 17, 20, and 23 hp engines represent a testament to Kohler's commitment to quality and innovation, delivering exceptional power and dependability for a wide range of industrial and commercial applications.