The 1973 Mazda RX-4 represents a significant chapter in automotive history, showcasing Mazda's pioneering spirit with its innovative rotary engine technology. This model, available in coupe, sedan, and wagon body styles, competed in the compact and mid-size segments, offering a distinctive blend of smooth rotary power, a good power-to-weight ratio, and unique styling. Its Wankel engine, the 12A, provided a different driving experience compared to its piston-powered contemporaries, contributing to Mazda's reputation for engineering prowess and performance. The RX-4 was part of a lineage that established the rotary engine's viability and appealed to drivers seeking advanced technology and engaging performance.

This comprehensive factory service manual provides in-depth technical information for the 1973 Mazda RX-4. It covers all major vehicle systems, including detailed procedures for the rotary engine, manual and automatic transmissions, brakes, suspension, steering, and electrical systems. Owners, technicians, and mechanics will find extensive guidance on routine maintenance, troubleshooting, engine and transmission overhauls, brake service, and electrical diagnostics. The manual's scope extends to technical specifications, wiring diagrams, and specific procedures such as carburetor adjustment and tune-ups, ensuring that all aspects of vehicle upkeep and repair are thoroughly addressed.