This service manual pertains to the Yamaha YFM400 Big Bear Kodiak, an All-Terrain Vehicle (ATV) designed for both off-road recreation and utility. Engineered by Yamaha Motor Company, this model features a 386cc internal combustion engine, liquid cooling, and a 4x4 drive system, making it a robust and capable machine for various challenging terrains. Its design prioritizes reliability and performance, ensuring a dependable experience for riders.

This comprehensive Service Repair Manual provides detailed guidance for the maintenance and repair of your Yamaha YFM400 Big Bear Kodiak. It covers essential areas including general information, troubleshooting, technical specifications, periodic inspections and adjustments, engine operation, cooling system, carburetion, drivetrain, chassis, and electrical systems, including wiring diagrams and special tools. This manual is an indispensable resource for owners and technicians to ensure the optimal performance and longevity of the vehicle.