This Service Repair Manual covers Kohler engines, specifically models LH630, LH640, LH685, LH690, LH750, and LH755. These liquid-cooled gasoline engines are engineered for general purpose, vehicle, and specialized equipment applications, reflecting Kohler's commitment to quality and reliability in their product offerings. This manual provides comprehensive information to ensure the optimal performance and longevity of your engine.

The purpose of this 76-page manual is to provide detailed guidance for maintenance, troubleshooting, and repair. It includes step-by-step instructions, fault-finding procedures, and explanations of component functions, supported by top-quality diagrams and illustrations. All necessary specifications and tolerances are included, empowering owners, mechanics, and technicians with the knowledge to effectively maintain and repair these engines.