02 December. Tuesday 2025
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 4-speed |
| Cooling system | Air |
| Fuel control | SOHC |
| Valves per cylinder | 2 |
| Fuel system | Carburettor |
| Bore x stroke | 36.0 x 48.6 mm (1.4 x 1.9 inches) |
| Compression | 9.5:1 |
| Torque | 4.00 |
| Power | 4.10 |
| Stroke | 4 |
| Engine type | Single cylinder |
| Capacity: | 49.00 ccm (2.99 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,190 mm (46.9 inches) |
| Ground clearance | 130 mm (5.1 inches) |
| Overall width | 655 mm (25.8 inches) |
| Overall length | 1,785 mm (70.3 inches) |
| Overall height | 960 mm (37.8 inches) |
| Seat height | 745 mm (29.3 inches) If adjustable, lowest setting. |
| Dry weight | 83.0 kg (183.0 pounds) |
Yamaha YB-1 Four dimensions and frame | |
| Rear brakes | Expanding brake |
| Front brakes | Expanding brake |
| | |
Speed and acceleration | |
| Power/weight ratio | 0.0494 HP/kg |
| Category | Classic |
| Year | 2002 |
| Model | Yamaha YB-1 Four |
Other specs | |
| Fuel capacity | 7.20 litres (1.90 gallons) |
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