Yamaha IT 250 (1981)
Comparison technical specifications
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| Make: | Yamaha |
| Model: | IT 250 |
| Years: | 1981 |
| Engine: | Two stroke, single cylinder, read valve |
| Capacity: | 246 cc / 15.07 cu-in |
| Bore x Stroke: | 70 x 64 mm |
| Cooling System: | Air cooled |
| Compression Ratio: | 7.8:1 |
| Exhaust system: | Upswept expansion chamber with USFS-approved spark arrestor and silencer |
| Induction: | 36mm Mikuni carburetor |
| Ignition: | CDI |
| Starting: | Kick |
| Max Power: | 32.2 hp / 23.6 kW @ 7500 rpm |
| Max Torque: | 35 Nm / 26 lb-ft @ 7500 rpm |
| Clutch: | Wet, multi-plate |
| Transmission: | 6 Speed |
| Final Drive: | Chain |
| Frame: | Single-downtube, full-cradle chrome-moly frame with aluminum swing arm |
| Front Suspension: | 38mm Telescopic forks |
| Front Wheel Travel: | 270 mm / 10.6 |
| Rear Suspension: | Swing arm with monoshock |
| Rear Wheel Travel: | 270 mm / 10.6 |
| Front Brakes: | Drum 130 x 22mm shoes |
| Rear Brakes: | Drum 150 x 25mm shoes |
| Front Tyre: | 3.00 x 21 |
| Rear Tyre: | 5.10 x 18 |
| Wheelbase: | 1486 mm / 58.5 in |
| Seat Height: | 919.4 mm / 36.2 in |
| Ground Clearance: | 287 mm / 11.3 in |
| Wet Weight: | 112 kg / 248 lbs |
| Fuel Capacity: | 12.8 Litres / 3.4 US gal |