2003 Yamaha Motorsports Big Bear 400 Owners Manual - Page 50
2003 Yamaha Motorsports Big Bear 400 Manual
Page 50 highlights
EBU01084 Engine oil Make sure the engine oil is at the specified level. Add oil as necessary. (See pages 8-5- 8-9.) Recommended oil: 0˚ 10˚ 30˚ 50˚ 70˚ 90˚ 110˚ 130˚F CAUTION: _ G YAMALUBE 4 (20W40) or SAE 20W40 G YAMALUBE 4 (10W30) or SAE 10W30 SAE 5W30 _ In order to prevent clutch slippage (since the engine oil also lubricates the clutch), do not mix any chemical additives. Do not use oils with a diesel specification of "CD" or oils of a higher quality than specified. In addition, do not use oils labeled "ENERGY CONSERVING II" or higher. Make sure that no foreign material enters the crankcase. -20˚ -10˚ 0˚ 10˚ 20˚ 30˚ 40˚ 50˚C Recommended engine oil classification: API Service SE, SF, SG type or higher Oil quantity: Periodic oil change: 2.9 L (2.6 Imp qt, 3.1 US qt) With oil filter replacement: 3.0 L (2.6 Imp qt, 3.2 US qt) Total amount: 3.5 L (3.1 Imp qt, 3.7 US qt) 5-7