The Yamaha WR 250Z motorcycle specifications include a 250 cc (15.26 cu in) engine, a 5-speed gearbox, and a listed weight of 114.3 kg (252 lb).
Key specifications
How the Yamaha WR 250Z 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 41st percentile across Yamaha models.
About 39% lighter than the Yamaha database average. Around the 18th percentile across Yamaha models.
About 24% taller than the Yamaha database average. Around the 98th percentile across Yamaha models.
Very close to the Yamaha database average. Around the 50th 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.
250 cc — larger displacement than about 41% of Yamaha models.
114.3 kg — heavier than about 18% of Yamaha models, or lighter than about 82%.
982 mm — taller than about 98% of Yamaha models.
13 L — larger than about 50% 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.
2,000
2,082
4% below average.
827
823
Close to average.
1,300
1,172
11% above average.
1,496
1,416
6% above average.
982
793
24% above average.
379
181
110% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 80/100-21 |
|---|---|
| Rear tire size | 110/100-18 |
| Front tire width | 80 mm |
| Front tire aspect ratio | 100% |
| Front rim diameter | 21 in |
| Rear tire width | 110 mm |
| Rear tire aspect ratio | 100% |
| Rear rim diameter | 18 in |
| Bore/stroke ratio | 0.99:1 (Square) |
Model information
| Year released | 1997 |
|---|
Engine specifications
| Engine type | Single cylinder, two-stroke |
|---|---|
| Displacement | 250 cc (15.26 cu in) |
| Torque | 46.0 Nm (4.7 kgf-m or 33.9 ft.lbs) @ 7,500 rpm |
| Bore × stroke | 68.0 x 68.8 mm (2.7 x 2.7 inches) |
| Compression ratio | 10.9:1 |
| Cooling system | Liquid |
| Fuel system | Carburettor. Mikuni VM38SS |
| Fuel control | Membrane & power valve |
| Starter | Kick |
| Lubrication | Wet sump |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Multi-plate wet clutch |
Chassis and suspension
| Frame | CrMo streel |
|---|---|
| Front suspension | Inverted forks |
| Rear suspension | Monocross |
| Front wheel travel | 300 mm (11.8 inches) |
| Rear wheel travel | 315 mm (12.4 inches) |
Brakes, wheels and tires
| Front brakes | Single disc. 2-piston caliper |
|---|---|
| Rear brakes | Single disc |
| Front tire | 80/100-21 |
| Rear tire | 110/100-18 |
Dimensions and weight
| Wet weight | 114.3 kg (252 lb) |
|---|---|
| Dry weight | 103 kg (227.1 lb) |
| Seat height | 982 mm (38.7 inches) |
| Overall length | 2,000 mm (78.7 inches) |
| Overall width | 827 mm (32.6 inches) |
| Overall height | 1,300 mm (51.2 inches) |
| Wheelbase | 1,496 mm (58.9 inches) |
| Ground clearance | 379 mm (14.9 inches) |
Fuel and emissions
| Fuel capacity | 13.00 L (3.43 US gal) |
|---|---|
| Reserve fuel capacity | 1.80 L (0.48 US gal) |
Performance
| Top speed | 114.3 km/h (71.0 mph) |
|---|
Other specifications
| Color options | Blue and White |
|---|---|
| Comments | Last year Yamaha made this WR in a two-stroke |
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.