This comprehensive repair manual covers Yamaha GPX338F and GPX433F snowmobiles manufactured between 1973 and 1975. It provides detailed information on various aspects of these machines, allowing you to perform repairs, maintenance, and troubleshooting with confidence. The manual covers essential topics such as general information, routine maintenance procedures, engine removal and installation, fuel system, lubrication and cooling system, engine specifications, transmission, drive chain and sprockets, steering system, shocks, body work, intake and exhaust, electrical system, and advanced troubleshooting. With this repair manual, you will have access to everything you need to keep your Yamaha GPX338F or GPX433F snowmobile running smoothly.