| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | Yamaha |
| Model Name | YBR250 |
| Year | 2011 |
| Category(class) | Sport |
| Engine |
|---|
| Engine Capacity (Displacement) | 249 ccm (15.19 cubic inches) |
| Engine Type | Single cylinder, four-stroke |
| Bore x Stroke | Ø74.0 mm x 58.0 mm (Ø2.91 inches x 2.28 inches) |
| Bore/Stroke Ratio | 1.28 |
| Compression Ratio | 9.8:1 |
| Fuel System(Carburetion) | Injection |
| Ignition | TCI (digital) |
| Starter System | Electric |
| Lubrication System | Wet sump |
| Cooling System | Air |
| Powertrain |
|---|
| Clutch | Multiple-disc coil spring, Wet |
| Gearbox | 5 speed |
| Transmission (Final Drive) | Chain |
| Chassis/Suspension/Brakes |
|---|
| Frame Type | Steel Double Cradle |
| Front Suspension | Telescopic forks |
| Rear Suspension | Bottom link swingarm |
| Front Brakes | Double disc |
| Front Brakes Diameter | Ø282 mm (Ø11.1 inches) |
| Rear Brakes | Expanding brake (drum brake) |
| Rear Brakes Diameter | Ø130 mm (Ø5.12 inches) |
| Front Tire | 100/80-M17 |
| Rear Tire | 130/70-M17 |
| Dimensions |
|---|
| Overall Length | 2025 mm (79.72 inches) |
| Overall Width | 745 mm (29.33 inches) |
| Overall Height | 1065 mm (41.93 inches) |
| Seat Height | 805 mm (31.69 inches) |
| Trail | 105 mm (4.13 inches) |
| Wheelbase | 1360 mm (53.54 inches) |
| Ground Clearance | 190 mm (7.48 inches) |
| Curb Weight | 138.0 kg (304 lb) |
| Fuel Capacity | 19.20 litres (5.07 gallons) |
| Performance |
|---|
| Max Power | 21.05 HP (15.4 kW) at 8000 RPM |
| Max Torque | 20.70 Nm (15.22 ft*lbs) at 6500 RPM |
| Power/Weight Ratio | 0.15 Hp/Kg |
| Top Speed | - |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | 10.1 seconds |
| 0-60 mph | 9.6 seconds |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
