The Yamaha XT250 was a motorcycle model produced from 1979-80. It had a four stroke, single cylinder, air cooled engine with a capacity of 249 cc. The bike had a maximum power output of 22 hp at 8000 rpm and a maximum torque of 2 kgf-m at 6500 rpm. It had a single 28mm Mikuni carburetor and utilized CDI ignition. The transmission was a 5-speed system and the final drive was a chain. The front suspension had leading axle, coil spring forks while the rear suspension was a swing arm with a single Kayaba shock. Braking was handled by 130mm drum brakes on both the front and rear tires. The bike had a wheelbase of 1395 mm and a seat height of 840 mm, with a total weight of 114 kg. The bike had a fuel capacity of 8 litres and returned an average consumption of 70mpg. The braking distance for 60-0 and 100-0 were not provided, but the 1/4 mile time was 16.4 seconds with a top speed of 80 mph.
Technical specifications:
Make Model: Yamaha XT 250
| Year | 1979 – 80 |
|---|---|
| Engine | Four stroke, single cylinder, SOHC, 2 valve |
| Capacity | 249 cc / 15.2 cu-in |
| Bore x Stroke | 75 56.5 mm |
| Cooling System | Air cooled |
| Compression Ratio | 9.2:1 |
| Lubrication | Wet sump |
| Induction | Single 28mm Mikuni caruretor |
| Ignition | CDI |
| Starting | Kick |
| Max Power | 22 hp / 16.1 kW @ 8000 rpm |
| Max Torque | 2 kgf-m / 14.4 lb-ft @ 6500 rpm |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Front Suspension | Leading axle, coil spring forks |
| Rear Suspension | Swing arm single Kayaba shock |
| Front Brakes | 130mm Drum |
| Rear Brakes | 130mm Drum |
| Front Tyre | 3.00-21 |
| Rear Tyre | 4.60-17 |
| Wheelbase | 1395 mm / 54.9 in |
| Seat Height | 840 mm / 33.0 in |
| Ground Clearance | 255 mm / 10.0 in |
| Dry Weight | 114 kg / 251.3 lbs |
| Fuel Capacity | 8 Litres / 2.1 US gal |
| Consumption Average | 70 mpg |
| Braking 60 – 0 / 100 – 0 | – / 41.1 m |
| Standing 1/4 Mile | 16.4 sec / 74.5 mph 120 km/h |
| Top Speed | 80 mph 128.7 km/h |
