| Attribute | Yamaha YBR250 2008 × | Keeway RK III 150S × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2014 |
| Make | Yamaha | Keeway |
| Model | Yamaha YBR250 | Keeway RK III 150S |
| Category | Allround | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Injection | Carburettor |
| Displacement (cm³) | 249 | 148 |
| Power (kw) | 15.4 | 8.7 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 20.7 | 11 |
| Bore (mm) | 74 | 57 |
| Stroke (mm) | 58 | 58 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | - | Overhead Valves (OHV) |
| Ignition | TCI (digital) | TLI |
| Clutch | Wet, multiple-disc coil spring | Wet, multiple-plate |
| Lubrication system | Wet sump | Pressure splash |
| Compression | 9.8:1 | 9.2:1 |
| Chassis | ||
| Front suspension | Telescopic forks | Telescopic forks |
| Rear suspension | Bottom link swingarm | Telescopic coil spring oil damped |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 130 | 130 |
| Frame type | Steel double cradle | Straddle type |
| Front tyre | 100/80-M17 | 2.75-18 |
| Rear tyre | 130/70-M17 | 3.25-18 |
| Wheels | - | Black, 5-spoke |
| Front wheel travel (mm) | 130 | 128 |
| Rear wheel travel (mm) | 120 | 55 |
| Other | ||
| Starter | Electric | Electric & kick |
| Color options | - |
|
| Dimensions | ||
| Wheelbase (mm) | 1,360 | 1,320 |
| Dry weight (kg) | 138 | 128 |
| Power/weight ratio | 0.1116 | 0.068 |
| Overall height (mm) | 1,065 | 1,120 |
| Overall length (mm) | 2,025 | 2,060 |
| Overall width (mm) | 745 | 730 |
| Seat height (mm) | 805 | 800 |
| Ground clearance (mm) | 190 | 150 |
| Performance | ||
| Fuel capacity (l) | 19 | 16 |