The Mazda 121, chassis code DA, produced in 1990, is a subcompact hatchback celebrated for its affordability, fuel efficiency, and practical design. Built on a platform shared with the Ford Festiva, this model offers a surprisingly spacious interior for its compact dimensions, making it an ideal choice for economical urban transportation. Powered by a reliable 1.3-liter B3 engine with Electronic Fuel Injection, the Mazda 121 exemplifies straightforward engineering and dependable performance, characteristic of Mazda's commitment to producing quality vehicles. Its design philosophy focused on delivering essential, efficient, and accessible mobility to a wide range of drivers.

This comprehensive workshop service repair manual provides essential information for maintaining and repairing your 1990 Mazda 121. It covers a wide array of systems, including detailed procedures for engine mechanicals, fuel, ignition, exhaust, manual and automatic transmissions, drivetrain, suspension, steering, and brake systems. Furthermore, the manual offers guidance on the electrical system, bodywork, and HVAC. Included are sections on preventative maintenance, troubleshooting, and specific repair instructions for critical components like the timing belt. This resource is designed to assist owners, mechanics, and technicians in ensuring the longevity and optimal performance of their vehicle.