Yamaha Moto-4 & Big Bear ATV (87-04) Clymer Repair Manual
CHAPTER THREE / LUBRICATION, MAINTENANCE AND TUNE-UP. Yamaha YFM400FW Big Bear 4-WD, 2000-2004. Yamaha YFM400 Big Bear 2-WD, 2000-2004. This Yamaha ATV manual is 680 pages. Yamaha YFM400 Big Bear 2-WD, 1987-1999.