This manual covers the MERCURY 250 OPTIMAX JET DRIVE outboard marine engine, produced from 2002 onwards. Designed for robust performance and reliability, this 2-stroke direct injection engine with a jet drive system is engineered for demanding marine applications. Its advanced Optimax technology ensures efficient power delivery and dependable operation, making it a preferred choice for a wide range of boating needs. This comprehensive Factory Service Repair Workshop Manual provides detailed instructions for all repairs, servicing, and troubleshooting procedures. It includes hundreds of pages featuring step-by-step guidance, detailed photos, and highly detailed exploded diagrams and pictures to assist owners, mechanics, and technicians. The manual is presented in English and is designed to facilitate the proper maintenance and repair of your MERCURY 250 OPTIMAX JET DRIVE engine.