| MODEL | YAMAHA XT 250 1980 |
| Year | 1980 |
| Engine Type | Four stroke, single cylinder, SOHC, 2 valve |
| Displacement / Capacity | 249 cc / 15.2 cu in |
| Bore X Stroke | 75 x 56.5 mm |
| Compression Ratio | 9.2:1 |
| Cooling System | Air cooled |
| Max Power | 16.1 kW / 22 hp @ 8000 rpm |
| Max Torque | 14.4 lb-ft (2 kgf-m) @ 6500 rpm |
| Ignition | CDI |
| Induction | Single 28 mm Mikuni carburettor |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 5 speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Leading axle, coil spring forks |
| Rear Suspension | Swing arm, single Kayaba shock |
| Front Brakes | 130 mm drum |
| Rear Brakes | 130 mm drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 840 mm / 33.0 in |
| Wheelbase | 1395 mm / 54.9 in |
| Ground Clearance | 255 mm / 10.0 in |
| Dry Weight | 114 kg / 251.3 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 3.00-21 |
| Rear Tyre | 4.60-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 8 Litres / 2.1 US gal |
| Fuel Consumption | 70 mpg |
| Top Speed | 128.7 km/h / 80 mph |
The XT 250 launched as a lightweight dual-purpose four-stroke with kick start, drum brakes at both ends and a 5-speed gearbox. It leaned on Yamaha's dirt-bike TT design for its compact, torquey single and low seat.
