Yamaha XT660R (2011) vs Yamaha WR 125R (2011-12)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | XT660R | WR 125R |
| Years: | 2011 | 2011-12 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valve | Four stroke, forward inclined single cylinder, DOHC, 4 valve |
| Capacity: | 659 cc/ 40.2 cu-in | 124.7 |
| Bore x Stroke: | 100 x 84 mm | 52 x 58.6 mm |
| Compression Ratio: | 10.0: 1 | 11.2:1 |
| Cooling System: | Liquid cooled | LLiquid cooled |
| Induction: | Fuel injection, 44 mm throttle body | Fuel injection |
| Ignition: | TCI | TCI |
| Starting: | Electric | Electric |
| Max Power: | 33.8 kW / 48 hp @ 6000 rpm | 10.9 kW / 15 hp @ 9000 rpm |
| Max Torque: | 58.4 Nm / 5.7 kgf-m @ 5250 rpm | 12.2 Nm / 1.24 kgf-m @ 6000 rpm |
| Clutch: | Wet, multiple-disc coil spring | Wet, multiple coil spring |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Frame: | Steel tubular diamond frame with dual tank rails | Steel double cradle |
| Front Suspension: | 43 mm Telescopic forks, | Telescopic fork |
| Front Wheel Travel: | 225 mm / 8.8 in | 210 mm / 8.2 in |
| Rear Suspension: | Oscillating arm standard Monocross. 200mm wheel travel | Swinging arm link suspension |
| Rear Wheel Travel: | 200 mm / 7.9 in | 230 ,mm / 9.0 in |
| Front Brakes: | Single 298mm disc 2 piston caliper | Single 248mm disc |
| Rear Brakes: | Single 245mm disc 1 piston caliper | Single 220mm disc |
| Front Tyre: | 90/90- 21 | 80/90-21 |
| Rear Tyre: | 130/80–17 | 110/80-18 |
| Rake: | 27.0° | 27° |
| Trail: | 107 mm / 4.2 in | 107 mm / 4.2 in |
| Wheelbase: | 1505 mm / 59.3 in | 1430 mm / 56.3 in |
| Seat Height: | 865mm / 34.1 in | 930 mm / 36.6 in |
| Wet Weight: | 181 kg / 421 lbs | 133 kg / 293.2 lbs |
| Fuel Capacity: | 15 Litres / 3.3 US gal | 8.5 Litres / 2..2 US gal |