2004 Yamaha Motorsports Bruin 350 Auto. 4x4 Owners Manual - Page 122
2004 Yamaha Motorsports Bruin 350 Auto. 4x4 Manual
Page 122 highlights
5. Fill the differential gear case with the specified amount of the recommended oil. NOTE: G Do not exceed the specified differential gear oil quantity when filling. Overfilling will cause the oil to seep out of the breather hose during and after riding. G The differential gear oil level cannot be checked. The differential gear case capacity is greater than the recommended oil quantity, therefore the oil level cannot be accurately checked from the oil filler cap hole. _ _ CAUTION: _ Be sure no foreign material enters the differential gear case. _ 6. Install the oil filler bolt. 7. Check for oil leakage. If oil leakage is found, check for the cause. Recommended oil: SAE 80 API "GL-4" Hypoid gear oil Oil quantity: 0.35 L (0.31 Imp qt, 0.37 US qt) 8-15