Yamaha IT 175 (1983) vs Yamaha WR 250R (2014)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | IT 175 | WR 250R |
| Years: | 1983 | 2014 |
| Engine: | Two stroke, single cylinder, reed-valve inducted | Four stroke, single cylinder, DOHC, 4 valve |
| Capacity: | 171 cc / 10.4 cu-in | 249 cc / 15.2 cub in. |
| Bore x Stroke: | 66 x 50mm | 77 x 53.6 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 7.9:1 | 11.8:1 |
| Induction: | 32mm Mikuni carburetor | Electronic fuel injection |
| Ignition: | CDI | TCI |
| Starting: | Kick | Electric |
| Max Power: | 19.86 hp / 14.6 kW @ 8000 rpm | 22.6 kW / 30.7 hp @ 10,000 rpm |
| Max Torque: | 18.47 Nm / 13.63 lb-ft @ 7500 rpm | 23.7 Nm / 2.42 kgf-m / 17.48 @ 8000 rpm |
| Transmission: | 6 Speed | 6 Speed, constant mesh |
| Final Drive: | Chain | Chain |
| Frame: | Single-downtube, full cradle, chromoly frame, box section aluminum swingarm | Semi-double-cradle, main frame of cast and forged aluminium, with high-strength downtubes |
| Front Suspension: | Telescopic forks | Telescopic forks |
| Rear Suspension: | Monoshock with adjustable damping and pre-load | Swingarm link suspension |
| Front Brakes: | Drum | Single 250mm disc |
| Rear Brakes: | Drum | Single 230mm disc |
| Front Tyre: | 3.00 x 21 | 80/100 -21 |
| Rear Tyre: | 4.10 x 18 | 120/80 -18 |
| Seat Height: | 899 mm / 35.4 in | 930 mm / 36.6 in. |
| Ground Clearance: | 290 mm / 11.4 in | 300 mm / 11.8 in. |
| Wet Weight: | 104.1 kg / 229.5 lbs | 134 kg / 295 lbs |
| Fuel Capacity: | 11 Litres / 2.9 US gal | 7.6 Litres |