This workshop repair manual covers the LOMBARDINI FOCS Series, a line of engines designed for diagnosis, service, repair, and maintenance. These engines are recognized for their engineering quality and reliability, making them a trusted choice for various applications. This manual provides detailed instructions and step-by-step diagrams for all workshop procedures, ensuring that users have access to the most comprehensive information available for maintaining these robust power units. The purpose of this manual is to provide owners, mechanics, and technicians with the essential information required for the upkeep and repair of LOMBARDINI FOCS Series engines. It includes coverage of service and maintenance procedures, engine rebuilding, plug changing, electrical diagrams, torque settings, fluid capacities, and diagnostic information. This resource offers the same accurate and complete repair information used by certified technicians, ensuring that all maintenance and repair tasks are performed correctly and efficiently.