This workshop service manual covers the Mazda 323 Protege models produced between 1990 and 1991, chassis code BG. Known for its reliability, fuel efficiency, and sporty handling, the Mazda 323 Protege was a competitive offering in the compact car segment during its era. This generation, part of the BG platform, offered distinctive styling and focused on driver engagement, embodying Mazda's commitment to quality craftsmanship. The vehicle was equipped with either a 1.6L B6 or a 1.8L BP DOHC inline 4-cylinder engine, paired with a 5-speed manual or 4-speed automatic transmission, and featured front-wheel drive.

This comprehensive 728-page English-language workshop service manual provides in-depth diagnostics, repair, and maintenance information for all major systems. It includes detailed procedures for engine overhaul and tuning, transmission service, drivetrain components, suspension and steering systems, brakes, electrical systems, fuel and cooling systems, and bodywork. The manual is designed to assist DIY mechanics, independent repair shops, and Mazda owners by offering manufacturer-level repair data, including routine maintenance schedules, troubleshooting guides, technical specifications, torque values, and necessary special tools, enabling efficient and accurate servicing of the vehicle.