2009 Yamaha Motorsports Big Bear 250 Owners Manual - Page 141
2009 Yamaha Motorsports Big Bear 250 Manual
Page 141 highlights
Engine oil quantity: Without oil filter element removal: 1.50 L (1.59 US qt, 1.32 Imp.qt) With oil filter element removal: 1.60 L (1.69 US qt, 1.41 Imp.qt) Clutch: Clutch type: Wet, centrifugal automatic Transmission: Primary reduction system: Spur gear Primary reduction ratio: 73/22 (3.318) Secondary reduction system: Shaft drive Secondary reduction ratio: 19/18 × 46/11 (4.414) Transmission type: Constant mesh 5-speed.forward, 1-speed.reverse Operation: Left foot operation Gear ratio: 1st: 34/12 (2.833) 2nd: 34/19 (1.789) 3rd: 29/22 (1.318) 4th: 26/25 (1.040) 5th: 23/28 (0.821) Reverse gear: 73/22 × 34/12 × 19/18 (9.924) Final gear oil: Type: SAE 80 API GL-4 Hypoid gear oil Quantity: 0.25 L (0.26 US qt, 0.22 Imp.qt) Air filter: Air filter element: Dry element Fuel: Recommended fuel: Unleaded gasoline only Fuel tank capacity: 12.0 L (3.17 US gal, 2.64 Imp.gal) Fuel reserve amount: 1.6 L (0.42 US gal, 0.35 Imp.gal) Carburetor: Manufacturer: MIKUNI Type × quantity: BSR33 x 1 10 Spark plug (s): Manufacturer/model: NGK/DR7EA Spark plug gap: 0.6-0.7 mm (0.024-0.028 in) Chassis: Frame type: Steel tube frame 10-2