This manual covers the 1983 Mazda RX-7 GSL, a distinguished sports car known for its innovative rotary (Wankel) engine, specifically the 12A model. Produced in Japan, this first-generation RX-7, identified by its FB chassis code, offers a unique driving experience characterized by its performance-oriented design and engineering. The GSL trim level further enhances this with features such as power steering and air conditioning, making it a compelling choice for enthusiasts seeking a blend of sportiness and comfort. Mazda's heritage in rotary technology is a key selling point, and this vehicle exemplifies that commitment to unique automotive engineering.

This technical service information manual provides essential guidance for maintaining and repairing the 1983 Mazda RX-7 GSL. It focuses on critical diagnostic procedures, including detailed, step-by-step instructions for performing compression tests on the 12A rotary engine, identifying necessary tools, and interpreting the results. The manual also covers essential maintenance aspects such as oil change intervals, fluid specifications, and potential issues like apex seal wear and carbon buildup, offering in-depth technical information crucial for preserving the vehicle's performance and longevity.