This service repair manual covers the Mercury Marine M2 Jet Drive Outboard, specifically the 210/240 HP models within the M2 Series. Engineered for reliability and performance, these outboard jet drives are designed to provide robust power for various marine applications. Their advanced electronic ignition, water-cooled systems, and electric start functionality ensure efficient operation. The manual details their carbureted or fuel-injected fuel systems, depending on the specific variant, and includes oil injection and charging systems for comprehensive coverage. This comprehensive English-language manual is designed to assist owners, mechanics, and technicians in maintaining and repairing their Mercury Marine M2 Jet Drive Outboard. It provides detailed guidance on preventative maintenance, lubrication, tune-up procedures, and rebuilding. The manual includes extensive troubleshooting support, detailed diagrams, illustrations, and exploded views with part number breakdowns. This resource is essential for ensuring the longevity and optimal performance of your M2 Jet Drive Outboard.