| MODEL | YAMAHA XT 250 2004 - 2005 |
| Year | 2004 - 2005 |
| Engine Type | Four stroke, single cylinder, SOHC, 2 valve |
| Displacement / Capacity | 249 cc / 15.2 cu in |
| Bore X Stroke | 74.0 x 58.0 mm |
| Compression Ratio | 9.5:1 |
| Cooling System | Air cooled |
| Max Power | 16.6 kW / 21 hp @ 6500 rpm |
| Max Torque | 15.1 lb-ft (2.1 kgf-m) @ 6500 rpm |
| Ignition | CDI |
| Induction | 34 mm Mikuni carburettor |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5 speed |
| Clutch | Wet, multiple discs, cable operated |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | 35 mm telescopic forks, 216 mm / 8.9 in travel |
| Rear Suspension | Monocross, swingarm, rebound-adjustable single shock, 180 mm / 7.1 in travel |
| Front Brakes | Single 245 mm disc |
| Rear Brakes | Single 203 mm disc |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 810 mm / 31.9 in |
| Wheelbase | 1359 mm / 53.5 in |
| Ground Clearance | — |
| Dry Weight | 123 kg / 271 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 80/70-21 |
| Rear Tyre | 120/80-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 9.8 Litres / 2.6 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The Serow-badged XT 250 of these years moved to disc brakes at both ends and a heavier 123 kg dry weight. It kept the 249 cc air-cooled single with electric start and 5-speed gearbox in a tall, trail-friendly package.
