Technical Specification Yamaha BWs 125 cc:
| Engine |
4-stroke, air-cooled (fan assist), SOHC, 4-valve, single |
| Displacement |
125 cc |
| Bore and Stroke | 52.4 x 57.9mm |
| Compression Ratio | 10 : 1 |
| Maximum Torque | 1.0 kg-m (7 ft-lb.) @ 6,000 rpm |
| Fuel Delivery | 24mm throttle body fuel injection |
| Estimated Fuel Consumption | 38kpl / 107mpg (Imp.) |
| Lubrication | Wet Sump |
| Ignition / Starting | TCI / Electric Start |
| Transmission | Fully Automatic |
| Final Drive | V-belt / Spur gear |
| Suspension (Front) | 33mm fork |
| Suspension (Rear) | Dual shock unit swingarm |
| Brakes (Front) | 220mm disc |
| Brakes (Rear) | Drum |
| Tires (Front) | 120/70-12 |
| Tires (Rear) | 130/70-12 |
| Length | 1,910mm (75.2”) |
| Width | 765mm (30.1”) |
| Height | 1,110mm (43.7”) |
| Wheelbase | 1,290mm (50.8”) |
| Ground Clearance | 125mm (4.9″) |
| Seat Height |
780mm (30.7”) |
| Fuel Capacity |
6 litres (1.3 Imp. gal.) |
| Wet Weight | 122 kg (268.4 lb) |
| Colour(s) | blue, metallic black, metallic white |
