The Yamaha Inviter 300 (CF300) represents a significant offering from the First Generation Inviter Series, produced between 1986 and 1990. This model embodies Yamaha's renowned engineering quality and reliability, built upon a strong motorsports legacy. Designed for recreational use, the Inviter 300 features a robust two-stroke engine and a Continuously Variable Transmission (CVT) with an automatic clutch, ensuring a smooth and responsive riding experience. Its construction emphasizes durability and performance, making it a dependable choice for enthusiasts seeking adventure. This comprehensive service repair manual provides complete factory service and repair information for the Yamaha Inviter 300 (CF300) models from 1986 to 1990. It covers all essential systems, including the engine, transmission, fuel, lubrication, cooling, electrical, drive, suspension, steering, frame, and controls. Detailed procedures for maintenance, tune-ups, disassembly, assembly, and troubleshooting are included, along with diagnostic aids and wiring diagrams. This manual is an indispensable resource for DIY mechanics, snowmobile enthusiasts, and professional repair shops, enabling effective maintenance and repair to ensure optimal performance and longevity of the vehicle.