This manual covers a range of single-cylinder motorcycles produced between 1964 and 1975, encompassing engine displacements from 90cc to 125cc. These robust, air-cooled two-stroke machines, including popular models like the Ace 90 and Wombat 100, were renowned for their affordability, durability, and spirited performance, particularly in off-road and trail riding applications. The brand earned a strong reputation for its well-engineered, practical motorcycles that offered a competitive edge and were a favorite among amateur racers and enthusiasts seeking reliable adventure.

This comprehensive service and repair manual provides detailed guidance for owners, mechanics, and technicians. It covers essential maintenance procedures, including oil changes, spark plug service, and chain care, as well as in-depth troubleshooting for common mechanical and electrical issues. The manual facilitates complete engine and transmission overhauls, carburetor tuning, and suspension servicing, featuring step-by-step instructions, torque specifications, and clear diagrams. This resource is designed to ensure the proper upkeep, repair, and preservation of your vintage motorcycle, maintaining its functionality and value.