The Mazda RX-8, produced from 2003 to 2008, represents a unique chapter in sports car engineering, distinguished by its innovative Renesis rotary engine and a distinctive 4-door coupe body style with freestyle rear doors. This first-generation model, codenamed SE3P, offered a compelling blend of performance, practicality, and engaging driving dynamics. Its rotary powertrain, a continuation of Mazda's rich heritage in this technology, delivered impressive horsepower figures and a high-revving character. The RX-8 also garnered critical acclaim, including multiple selections to Car and Driver's 10Best list, underscoring its engineering prowess and appeal to driving enthusiasts seeking a distinct automotive experience. This comprehensive workshop repair service manual provides detailed information for all Mazda RX-8 models, engines, trims, and transmission types from 2003 to 2008. It covers a vast array of systems, including engine service and repair, transmission maintenance, brake systems, electrical diagnostics, suspension, steering, cooling, fuel systems, emission controls, HVAC, and chassis and body repair. The manual includes general maintenance procedures, troubleshooting guides, periodic lubrication schedules, and step-by-step disassembly and assembly instructions. With professional-level technical depth, detailed illustrations, and numbered instructions, this manual is an essential resource for owners, mechanics, and technicians to effectively maintain, diagnose, and repair the Mazda RX-8.