This manual covers the Monster 400 I.E. and 620 I.E. models produced for the 2006, 2007, and 2008 model years. These motorcycles are celebrated for their minimalist design, iconic steel trellis frame, and the distinctive L-twin, air-cooled engines featuring signature Desmodromic valve actuation. The Monster series is a benchmark in the naked sportbike segment, offering a blend of performance, rider engagement, and unmistakable Italian styling. These models represent a significant evolution in the Monster lineage, incorporating electronic fuel injection for enhanced performance and efficiency.

This comprehensive workshop service and repair manual provides detailed instructions for the maintenance, diagnosis, and repair of your Monster. It covers all essential systems, including the engine, transmission, chassis, brakes, and electrical components. Within its pages, you will find routine maintenance procedures, in-depth repair instructions, troubleshooting guides, and essential technical specifications. This resource is designed to assist owners, technicians, and mechanics in keeping the Monster operating at its peak performance and ensuring its longevity through proper care and servicing.