This manual covers the 2001 YFM400NN BIGBEAR, an all-terrain vehicle designed for off-road operation. Engineered for reliability and performance, this ATV features a 386cc 4-stroke engine and shaft drive, providing robust capability for various terrains. Its construction emphasizes quality and durability, making it a capable companion for recreational adventures and demanding tasks.

This Owner's Manual provides comprehensive guidance for the safe and effective operation and maintenance of your ATV. It details essential information including safety procedures, machine identification, control functions, pre-operation checks, and riding techniques. Furthermore, it outlines periodic maintenance schedules, cleaning and storage advice, and technical specifications necessary for keeping your vehicle in optimal condition.