The Yamaha YBR250 motorcycle specifications include a 249 cc (15.19 cu in) engine, power of 21.1 hp (15.4 kW) @ 12,000 rpm, a 5-speed gearbox, and a listed weight of 138 kg (304.2 lb).
Key specifications
The 2008 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha YBR250 compares
This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.
About 60% lower than the Yamaha database average. Around the 36th percentile across Yamaha models.
About 55% lower than the Yamaha database average. Around the 37th percentile across Yamaha models.
Very close to the Yamaha database average. Around the 62nd percentile across Yamaha models.
About 46% larger than the Yamaha database average. Around the 87th percentile across Yamaha models.
Yamaha database percentile rankings
Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.
21.1 hp — more powerful than about 36% of Yamaha models with power data.
249 cc — larger displacement than about 37% of Yamaha models.
805 mm — taller than about 62% of Yamaha models.
19 L — larger than about 87% of Yamaha fuel tanks in this database.
Dimensions compared with Yamaha average
Each measurement is compared with the average value across Yamaha models where that dimension is available.
2,025
2,082
Close to average.
745
823
9% below average.
1,065
1,172
9% below average.
1,360
1,416
4% below average.
805
793
Close to average.
190
181
5% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 100/80-M17 |
|---|---|
| Rear tire size | 130/70-M17 |
| Power-to-weight ratio | 0.153 hp/kg |
| Power-to-weight | 152.9 hp/tonne |
| Specific power | 84.7 hp/L |
| Bore/stroke ratio | 1.28:1 (Oversquare) |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 249 cc (15.19 cu in) |
| Power | 21.1 hp (15.4 kW) @ 12,000 rpm |
| Torque | 20.7 Nm (2.1 kgf-m or 15.3 ft.lbs) @ 2,100 rpm |
| Bore × stroke | 74.0 x 58 mm (2.9 x 2.3 inches) |
| Compression ratio | 9.8:1 |
| Cooling system | Air |
| Fuel system | Injection |
| Ignition | TCI (digital) |
| Starter | Electric |
| Lubrication | Wet sump |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet, multiple-disc coil spring |
Chassis and suspension
| Frame | Steel double cradle |
|---|---|
| Front suspension | Telescopic forks |
| Rear suspension | Bottom link swingarm |
| Front wheel travel | 130 mm (5.1 inches) |
| Rear wheel travel | 120 mm (4.7 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Expanding brake (drum brake) |
| Front tire | 100/80-M17 |
| Rear tire | 130/70-M17 |
Dimensions and weight
| Dry weight | 138 kg (304.2 lb) |
|---|---|
| Seat height | 805 mm (31.7 inches) |
| Overall length | 2,025 mm (79.7 inches) |
| Overall width | 745 mm (29.3 inches) |
| Overall height | 1,065 mm (41.9 inches) |
| Wheelbase | 1,360 mm (53.5 inches) |
| Ground clearance | 190 mm (7.5 inches) |
Fuel and emissions
| Fuel capacity | 19.00 L (5.02 US gal) |
|---|
Performance
| Power/weight ratio | 0.1525 hp/kg |
|---|
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.