2010 Yamaha Motorsports Big Bear 400 4x4 IRS Owners Manual - Page 100
2010 Yamaha Motorsports Big Bear 400 4x4 IRS Manual
Page 100 highlights
4. Install the oil filler bolt, and then tighten it to the specified torque. Tightening torque: Differential gear oil filler bolt: 23 Nm (2.3 m·kgf, 17 ft·lbf) To change the differential gear oil 1. Place the ATV on a level surface. 2. Place an oil pan under the differential gear case to collect the used oil. 3. Remove the differential gear oil filler bolt and the differential gear oil drain bolt to drain the oil from the differential gear case. 8 4. Install the drain bolt, and then tighten it to the specified torque. Tightening torque: Differential gear oil drain bolt: 10 Nm (1.0 m·kgf, 7.2 ft·lbf) 5. Refill with the recommended differential gear oil to the brim of the filler hole as shown. NOTICE: Be sure no foreign material enters the differential gear case. [ECB00411] 1. Differential gear oil 2. Differential gear oil filler bolt 3. Correct oil level 1. Differential gear oil drain bolt 8-19