This comprehensive workshop service repair manual is designed to equip technicians with the knowledge and instructions needed to maintain and repair the Fiat 80 90. It assumes familiarity with general automotive practices and focuses on the specific aspects of the Fiat 80 90, enabling technicians to provide high-quality service. The manual delves into the repair and overhaul of various components, including those manufactured specifically for the Fiat 80 90. It also includes instructions for proprietary components, ensuring technicians understand their functions and contribute to overall performance assessment. This manual is a valuable resource for both professionals and individuals seeking to maintain their Fiat 80 90. It encompasses a wide range of information, including routine maintenance and servicing procedures, diagnostic and repair instructions for troubleshooting, and detailed breakdowns of assemblies and disassemblies. Specific sections cover essential systems like the fuel system, ignition, lubrication system, exhaust, electrical system, and body. The manual emphasizes safety by clearly outlining warning, caution, and note instructions. It provides detailed information for both simple and complex repairs, allowing users to perform tasks like tune-ups and engine and transmission disassembly with confidence. Whether it's addressing common maintenance issues or tackling more extensive repairs, this manual equips owners with the tools to maintain their Fiat 80 90 like a professional.

The Fiat 80 and Fiat 90 were a pair of compact cars produced by Fiat from 1970 to 1980. They were initially marketed as replacements for the Fiat 600 and Fiat 850 and aimed to fill the gap between these smaller models and the larger Fiat 128. Though distinct models, the 80 and 90 shared many components and similarities, with the 90 being slightly larger and offering more space and a more powerful engine. These cars were designed with practicality and affordability in mind, featuring simple yet effective engineering and straightforward maintenance procedures. The Fiat 80 and 90 were initially available as two-door saloons but later added three-door and four-door variants to their lineups. The Fiat 80 was powered by a 769 cc engine producing 32 horsepower, while the 90 came equipped with an 843 cc engine delivering 44 horsepower. Both models were initially available with a four-speed manual transmission, with a five-speed manual becoming an option later in their production run. The Fiat 80 and 90 were known for their fuel efficiency and nimble handling, making them popular city cars. Their compact dimensions made them easily maneuverable in tight urban environments, and their modest power output provided peppy acceleration for city driving. These cars were simple to maintain, with many repairs and maintenance tasks readily achievable by mechanically inclined owners. Despite their small size, the Fiat 80 and 90 offered a decent amount of interior space, making them suitable for families. These cars were popular in their time, gaining a reputation for reliability and affordability, making them a favorite choice for both individuals and families in Europe. They represented the quintessential small Italian car of the 1970s.