The Yamaha YZ 250 motorcycle specifications include a 249 cc (15.19 cu in) engine and a listed weight of 97.5 kg (215 lb).
Key specifications
The 2002 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha YZ 250 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.
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.
Dimensions compared with Yamaha average
Each measurement is compared with the average value across Yamaha models where that dimension is available.
2,182
2,082
5% above average.
827
823
Close to average.
1,302
1,172
11% above average.
1,485
1,416
5% above average.
391
181
116% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 80/100-21 51M |
|---|---|
| Rear tire size | 110/90-19 62M |
| Front tire width | 80 mm |
| Front tire aspect ratio | 100% |
| Front rim diameter | 21 in |
| Rear tire width | 110 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 19 in |
| Bore/stroke ratio | 0.92:1 (Undersquare) |
Engine specifications
| Engine type | Single cylinder, two-stroke |
|---|---|
| Displacement | 249 cc (15.19 cu in) |
| Bore × stroke | 66.4 x 72 mm (2.6 x 2.8 inches) |
| Compression ratio | 8.8:1 |
| Cooling system | Liquid |
Chassis and suspension
| Front wheel travel | 300 mm (11.8 inches) |
|---|---|
| Rear wheel travel | 315 mm (12.4 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 80/100-21 51M |
| Rear tire | 110/90-19 62M |
Dimensions and weight
| Dry weight | 97.5 kg (215 lb) |
|---|---|
| Overall length | 2,182 mm (85.9 inches) |
| Overall width | 827 mm (32.6 inches) |
| Overall height | 1,302 mm (51.3 inches) |
| Wheelbase | 1,485 mm (58.5 inches) |
| Ground clearance | 391 mm (15.4 inches) |
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.