Engine and Transmission Specifications |
Transmission type,final drive | Belt |
Gearbox | Automatic |
Cooling system | Air |
Lubrication system | Separate lubrication |
Ignition | CDI |
Fuel system | Carburettor |
Bore x stroke | 40.0 x 39.2 mm (1.6 x 1.5 inches) |
Compression | 7.2:1 |
Torque | 3.60 Nm (0.4 kgf-m or 2.7 ft.lbs) @ 6000 |
Power | 3.22 |
Engine type | Single cylinder, two-stroke |
Capacity: | 49.20 ccm (3.00 cubic inches) |
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Category | Scooter |
Year | 2012 |
Model | Yamaha BWs Naked |
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Brakes, suspension, Frame and wheels |
Rear brakes diameter | 110 mm (4.3 inches) |
Rear brakes | Expanding brake (drum brake) |
Front brakes diameter | 180 mm (7.1 inches) |
Front brakes | Single disc |
Rear tyre dimensions | 150/80-10 |
Front tyre dimensions | 120/90-10 |
Rear suspension travel | 70 mm (2.8 inches) |
Rear suspension | Unit swing |
Front suspension travel | 70 mm (2.8 inches) |
Front suspension | Telescopic fork |
Frame type | Steel |
Physical measures and capacities |
Fuel capacity | 5.30 litres (1.40 gallons) |
Wheelbase | 1,172 mm (46.1 inches) |
Ground clearance | 124 mm (4.9 inches) |
Overall width | 675 mm (26.6 inches) |
Overall length | 1,685 mm (66.3 inches) |
Overall height | 1,049 mm (41.3 inches) |
Seat height | 768 mm (30.2 inches) If adjustable, lowest setting. |
Weight incl. oil, gas, etc | 82.0 kg (180.8 pounds) |
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Other specs |
Factory warranty | 6 Month (Limited Factory Warranty) |
Instruments | Speedometer, odometer and fuel gauge |
Wheelbase | 1,229 mm (48.4 inches) |
Rear tyre | 25/10-12 |
Front tyre | 25/8-12 |
Rear wheel travel | 193 mm (7.6 inches) |
Rear Suspension | Independent double wishbone |
Front wheel travel | 147 mm (5.8 inches) |
Front Suspension | Independent double wishbone |
Driveline | Yamaha On-Command pushbutton; 3-way locking differential; 2WD, 4WD, locked 4WD; shaft drive |
Fuel control | Single Overhead Cams (SOHC) |
Bore x Stroke | 83.0 x 71.5 mm (3.3 x 2.8 inches) |
Compression | 8.6:1 |
Model | Yamaha Big Bear 400 4x4 IRS |
Color options | White/blue, aluminum/pink |
Seat | Dual seat |
Light | Twin headlights |
Starter | Electric & kick |
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