Yamaha DT 250 (1980) vs Yamaha XT 250 (1980)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | DT 250 | XT 250 |
| Years: | 1980 | 1980 |
| Engine: | Two stroke, single cylinder | Four stroke, single cylinder, SOHC, 2 valve |
| Capacity: | 246 cc / 15.0 cu-in | 249 cc / 15.2 cu-in |
| Bore x Stroke: | 70 x 64 mm | 75 х 56.5 mm |
| Cooling System: | Air cooled | Air cooled |
| Compression Ratio: | 6.8:1 | 9.2:1 |
| Lubrication: | Autolube | Wet sump |
| Induction: | Single 28mm Mikuni VM28SS | Single 28mm Mikuni caruretor |
| Ignition: | External-rotor magneto; CDI; six-volt battery | CDI |
| Starting: | Kick | Kick |
| Max Power: | 17 hp 12.6 kW @ 6000 rpm | 22 hp / 16.1 kW @ 8000 rpm |
| Max Torque: | 20.7 Nm / 15.3 lb-ft @ 5500 rpm | 2 kgf-m / 14.4 lb-ft @ 6500 rpm |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Oil-damped, coil-spring fork with forward-mounted axle and | Leading axle, coil spring forks |
| Rear Suspension: | DeCarbon-type, nitrogen-charged mono-shock producing | Swing arm single Kayaba shock |
| Front Brakes: | Conical hub with drum brake | 130mm Drum |
| Rear Brakes: | Conical hub with rod-actuated drum brake | 130mm Drum |
| Front Tyre: | 3.00-21 | 3.00-21 |
| Rear Tyre: | 4.00-18 | 4.60-17 |
| Wheelbase: | 1420 mm / 55.9 in | 1395 mm / 54.9 in |
| Seat Height: | 856 mm / 33.7 in | 840 mm / 33.0 in |
| Ground Clearance: | 255 mm / 10.0 in | 255 mm / 10.0 in |
| Dry Weight: | 122 kg / 269 lbs | 114 kg / 251.3 lbs |
| Fuel Capacity: | 8.5 Litres / 2.2 gal | 8 Litres / 2.1 US gal |