The Mazda 323 Protege, internal model code BG, represents a reliable and practical compact car produced for the 1990 and 1991 model years. Known for its fuel efficiency, affordable ownership, and a design that reflects the aerodynamic trends of its era, the 323 Protege was a competitive offering in its segment. It featured a choice of a 1.6L SOHC or a more powerful 1.8L DOHC engine, coupled with either a 5-speed manual or a 4-speed automatic transmission. The vehicle's engineering prioritizes dependable performance, making it a sensible choice for everyday transportation.

This comprehensive workshop and service repair manual provides complete coverage for the Mazda 323 Protege (BG) models from 1990-1991. It details all essential maintenance procedures, including scheduled service, fluid checks, and component replacements, alongside in-depth repair instructions for all major vehicle systems. Covered areas include the engine, transmission, drivetrain, suspension, brakes, electrical systems, and body. The manual also offers valuable troubleshooting guidance, diagnostic charts, and technical specifications such as torque values and wiring diagrams, empowering owners and technicians to effectively maintain and repair the vehicle.