This comprehensive Triumph Herald 1200 12-50 1966 Full Service Repair Manual provides everything you need to repair, maintain, rebuild, refurbish, or restore your classic car. Packed with detailed information, this manual offers a complete guide for both professional mechanics and dedicated DIY enthusiasts. Within its pages, you'll find a wealth of information covering all aspects of your Triumph Herald 1200 12-50, covering the same information used by professional technicians. The manual includes step-by-step instructions, detailed illustrations, drawings, and photographs to guide you through every repair procedure. Clear and concise numbered instructions ensure that even complex tasks are manageable. The manual goes beyond basic maintenance, offering detailed information for tackling advanced repairs. You'll find detailed sub-steps for each repair procedure, along with notes, cautions, and warnings to highlight critical information. For electrical repairs and troubleshooting, the manual combines service procedures with comprehensive wiring diagrams, simplifying diagnosis and repair of your vehicle's electrical system. The manual's well-organized table of contents allows you to quickly locate the information you need. Whether you're a seasoned mechanic or just starting out, this manual is an invaluable resource for keeping your Triumph Herald running smoothly.

The Triumph Herald 1200 12-50, produced from 1966 to 1967, was a significant development in the evolution of the Triumph Herald model line. This iteration featured a larger, 1198cc, 4-cylinder engine, a substantial upgrade from the previous 948cc unit, resulting in a more powerful and responsive driving experience. This engine, designated as the "12/50," was capable of producing 50 horsepower, a significant increase over the earlier models. The Herald 1200 12-50 was also notable for its redesigned front grille and bumpers, providing a sportier yet subtle aesthetic upgrade. It retained the unique and highly-regarded Herald features such as the independent rear suspension, a spacious interior for its size, and the signature "suicide" doors that swing open towards the rear. Despite the introduction of the larger engine, the Triumph Herald 1200 12-50 remained a nimble and maneuverable car, ideal for city driving and navigating tight spaces. Its compact dimensions and light weight contributed to its agility, making it a favorite among enthusiasts seeking a fun and affordable classic car. The Herald 1200 12-50, like its predecessors, was a relatively simple car to maintain and repair. The availability of readily accessible parts and the straightforward design made it a popular choice for DIY mechanics and restoration projects. While not widely recognized as a performance car, the Triumph Herald 1200 12-50 holds a special place in automotive history as a charming and affordable classic with a unique blend of practicality and driving enjoyment.