The Yamaha Serow 250 25th Anniversary Special motorcycle specifications include a 249 cc (15.19 cu in) engine, a 6-speed gearbox, and a listed weight of 115 kg (253.5 lb).
Key specifications
How the Yamaha Serow 250 25th Anniversary Special 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 55% lower than the Yamaha database average. Around the 37th percentile across Yamaha models.
Very close to the Yamaha database average. Around the 66th percentile across Yamaha models.
About 23% smaller than the Yamaha database average. Around the 35th 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.
249 cc — larger displacement than about 37% of Yamaha models.
810 mm — taller than about 66% of Yamaha models.
10 L — larger than about 35% 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.
2,070
2,082
Close to average.
805
823
Close to average.
810
793
Close to average.
285
181
58% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 2.75-21 |
|---|---|
| Rear tire size | 120/80-18 |
| Rear tire width | 120 mm |
| Rear tire aspect ratio | 80% |
| Rear rim diameter | 18 in |
| Bore/stroke ratio | 1.28:1 (Oversquare) |
Model information
| Year released | 2011 |
|---|---|
| Category | Enduro / offroad |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 249 cc (15.19 cu in) |
| Torque | 19.0 Nm (1.9 kgf-m or 14.0 ft.lbs) @ 6,500 rpm |
| Bore × stroke | 74.0 x 58 mm (2.9 x 2.3 inches) |
| Compression ratio | 9.5:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel system | Carburettor |
| Fuel control | Single Overhead Cams (SOHC) |
| Ignition | CDI |
| Starter | Electric |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Front suspension | Telescopic forks |
|---|---|
| Rear suspension | Swing arm |
| Rake | 26.5° |
| Trail | 105 mm (4.1 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 2.75-21 |
| Rear tire | 120/80-18 |
Dimensions and weight
| Dry weight | 115 kg (253.5 lb) |
|---|---|
| Seat height | 810 mm (31.9 inches) |
| Overall length | 2,070 mm (81.5 inches) |
| Overall width | 805 mm (31.7 inches) |
| Ground clearance | 285 mm (11.2 inches) |
Fuel and emissions
| Fuel capacity | 10.00 L (2.64 US gal) |
|---|
Performance
| Power/weight ratio | 0.1632 hp/kg |
|---|
Other specifications
| Comments | Also called XT250 25th Anniversary Special. Limited edition model. Sold in Japan. |
|---|
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.