This document pertains to the Kohler Magnum MV Series, a line of twin-cylinder engines. While specific production years are not detailed, this series is engineered for robust performance and reliability, offering power outputs of 16, 18, and 20 horsepower. These engines are designed to meet demanding operational requirements across various applications where dependable power is essential. This Factory Service/Repair/Workshop Manual provides comprehensive guidance for the maintenance and repair of the Kohler Magnum MV Series engines. It covers essential topics including general information, special tools, troubleshooting, air cleaner, fuel system, governor, lubrication system, and electrical systems. The manual also details disassembly, inspection, repair, and reassembly procedures, supported by highly detailed exploded pictures and diagrams, ensuring that owners and technicians have the necessary resources to keep these engines in optimal working condition.