The 1966 OMC Snow Cruiser represents a significant piece of recreational vehicle history from the Outboard Marine Corporation. As a first-generation model, it embodies the early innovations in snowmobile design, focusing on practical performance for traversing snowy terrain. This model is a testament to OMC's expansion into the recreational vehicle market during the mid-1960s, building on their established reputation in marine engines. The Snow Cruiser was engineered for reliability and utility, offering a robust platform for winter exploration and activity. This comprehensive repair manual serves as an essential resource for maintaining and servicing the 1966 OMC Snow Cruiser. It provides factory-level information covering a wide array of systems, including general information, routine maintenance, engine specifications, fuel and lubrication systems, transmission, steering, body work, and the electrical system. Detailed procedures for repair, service, maintenance, and advanced troubleshooting are included, making it invaluable for owners and technicians alike. The manual is designed to facilitate the upkeep of this classic snowmobile, ensuring its continued operation and longevity.