2011 Yamaha Motorsports Big Bear 400 4x4 IRS Owners Manual - Page 96
2011 Yamaha Motorsports Big Bear 400 4x4 IRS Manual
Page 96 highlights
To change the final gear oil 1. Place the ATV on a level surface. 2. Remove the final gear case guard by removing the bolts. 1 2 3 4 1. 2. 3. 4. Final gear oil filler bolt O-ring Final gear oil Correct oil level 1. Final gear case guard 2. Bolt 8 3. If the oil is below the brim of the filler hole, add sufficient oil of the recommended type to raise it to the correct level. 4. Install the oil filler bolt and its new O-ring, and then tighten the bolt to the specified torque. Tightening torque: Final gear oil filler bolt: 24 Nm (2.4 m·kgf, 17 ft·lbf) 3. Place an oil pan under the final gear case to collect the used oil. 4. Remove the final gear oil filler bolt, the final gear oil drain bolt and their O-ring to drain the oil from the final gear case. 8-16