This manual covers the F4L 913 Engine, a robust and reliable power unit designed for demanding applications. Engineered with precision and built for durability, the F4L 913 Engine is known for its efficient performance and long service life. This manual is intended to provide comprehensive guidance for the maintenance and repair of this esteemed engine, ensuring it operates at peak performance throughout its operational lifespan. The purpose of this workshop service manual is to equip technicians and owners with the detailed knowledge necessary for the proper upkeep and repair of the F4L 913 Engine. It includes essential information on routine maintenance, diagnostic procedures, disassembly and reassembly instructions for major components, and specific technical data. By adhering to the guidelines and procedures outlined within, users can effectively maintain the engine's functionality, ensure optimal performance, and address any potential issues with confidence and accuracy.