The Yamaha WR 125X was produced from 2009-10 and has a four-stroke, forward inclined single-cylinder engine with a capacity of 124.7. It has liquid cooling, fuel injection, and an electric start. The bike produces a maximum power of 10.9kW at 9000 RPM and a maximum torque of 12.2 Nm at 6000 RPM. The transmission includes five speeds and a wet, multiple coil spring clutch. The bike has a steel double-cradle frame, telescopic fork front suspension, and swinging arm link suspension rear suspension. The front brake is a single 298mm disc, and the rear brake is a single 220mm disc. The bike’s front tire is 110/70-17, and the rear tire is 140/70-17. The rake is 25 degrees, and the trail is 79 mm. The bike’s wheelbase is 1430 mm, and the seat height is 920 mm. The wet weight of the bike is 137 kg, and it has a fuel capacity of 8.5 liters (2.2 US gal).
Technical specifications:
Make Model: Yamaha WR 125X
| Year | 2009 – 10 |
|---|---|
| Engine | Four stroke, forward inclined single cylinder, DOHC, 4 valve |
| Capacity | 124.7 |
| Bore x Stroke | 52 x 58.6 mm |
| Cooling System | LLiquid cooled |
| Compression Ratio | 11.2:1 |
| Lubricatin | Wet sump |
| Induction | Fuel injection |
| Ignition | TCI |
| Starting | Electric |
| Max Power | 10.9 kW / 15 hp @ 9000 rpm |
| Max Torque | 12.2 Nm / 1.24 kgf-m @ 6000 rpm |
| Clutch | Wet, multiple coil spring |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Gear Ratio | 1st 70/30 (2.333) 2nd 46/15 (3.067) 3rd 33/16 (2.063) 4th 30/19 (1.579) 5th 34/27 (1.259) 6th 25/24 (1.042) |
| Frame | Steel double cradle |
| Front Suspension | Telescopic fork |
| Front Wheel Travel | 210 mm / 8.2 in |
| Rear Suspension | Swinging arm link suspension |
| Rear Wheel Travel | 230 ,mm / 9.0 in |
| Front Brakes | Single 298mm disc |
| Rear Brakes | Single 220mm disc |
| Front Tyre | 110/70-17 |
| Rear Tyre | 140/70-17 |
| Rake | 25 degrees |
| Trail | 79 mm / 3.1 in |
| Wheelbase | 1430 mm / 56.3 in |
| Seat Height | 920 mm / 36.2 in |
| Wet Weight | 137 kg / 302 lbs |
| Fuel Capacity | 8.5 Litres / 2..2 US gal |
