Welcome to the comprehensive guide for your Big Bear 400 2WD All-Terrain Vehicle, covering model years 2002 and 2004. Engineered for off-road recreation and utility, this 4-stroke ATV boasts a 386 cc engine and a 2WD drive system, designed to deliver reliable performance across challenging terrains. Its robust construction and user-friendly design make it an ideal companion for both work and adventure, emphasizing commitment to quality and durability in every unit.

This Service Repair Manual provides essential information for maintaining and repairing your Big Bear 400 2WD. It includes detailed procedures for routine servicing, such as recommended oil types, as well as in-depth troubleshooting steps, technical specifications, and critical safety guidelines. Whether you are an owner performing basic upkeep or a technician undertaking complex repairs, this manual is an indispensable resource to ensure your ATV remains in optimal working condition for years to come.