| Engine | Yamaha WR250R | Suzuki GSX-R125 |
|---|---|---|
| Displacement | 250 cc | 125 cc |
| Max power | 30 hp (@10 000 RPM) | |
| Max torque | 16 lb ft (@8 000 RPM) | |
| Redline | 11 500 RPM | 11 500 RPM |
| Idling speed | 1 200 RPM | 1 200 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Single | DOHC Single |
| Compression | 11.80:1 | |
| Oil capacity | 1.33 quart | |
| Oil type | 10W30, 10W40, YAMALUBE 10W40 | |
| Spark plug type | NGK CR9EK | |
| Cooling | Liquid | Liquid |
| Valves | 4 | 4 |
| Bore | 77.0 mm | 62.0 mm |
| Stroke | 53.6 mm | 41.2 mm |
| Battery type | YTZ7S, 12V 6Ah |
| Gearbox | Yamaha WR250R | Suzuki GSX-R125 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | ||
| Gears count | 6 | 0 |
| Primary ratio | 3.12 | |
| Final drive | 3.231 | |
| 1. gear | 2.642 (33 mph) | |
| 2. gear | 1.813 (48 mph) | |
| 3. gear | 1.318 (66 mph) | |
| 4. gear | 1.04 (83 mph) | |
| 5. gear | 0.888 (97 mph) | |
| 6. gear | 0.766 (113 mph) |
| Chasis | Yamaha WR250R | Suzuki GSX-R125 |
|---|---|---|
| Frame type | Semi double cradle | |
| Front susp. | USD, 10.63 in travel | Telescopic fork |
| Rear susp. | Swingarm monoshock, 10.43 in travel | Monoshock |