The Yamaha XT 125 was a motorcycle introduced in 1983 with a four stroke, single cylinder engine that had a capacity of 124 cc. It had a compression ratio of 10.0:1 and was air-cooled. The ignition system was CDI and it started with a kick. The bike had a maximum power output of 12.5 hp at 8000 rpm and a maximum torque of 1.0 kg-m at the same rpm. The transmission had five speeds and the final drive was a chain. The front suspension used telescopic forks and the rear suspension used motocross. The front and rear brakes were drum brakes. The front tyre was 2.75-21 and the rear tyre was 4.10-18. The wheelbase was 1330 mm and the seat height was 835 mm. The ground clearance was 265 mm and the dry weight was 98 kg. The fuel capacity was 7 litres and the consumption average was 78 mpg. The standing quarter-mile time was 20 seconds and the top speed was 75 mph.
Technical specifications:
Make Model: Yamaha XT 125
| Year | 1983 – |
|---|---|
| Engine | Four stroke, single cylinder. SOHC, 2 valve |
| Capacity | 124 cc / 7.6 cu-in |
| Bore x Stroke | 57 48.8 mm |
| Cooling System | Air cooled |
| Compression Ratio | 10.0:1 |
| Induction | Carburetor |
| Ignition | CDI |
| Starting | Kick |
| Max Power | 12.5 hp / 9.2 kW @ 8000 rpm |
| Max Torque | 1.0 kg-m / 9.8 Nm @ 8000 rpm |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Front Suspension | Telescopic forks |
| Rear Suspension | Motocross |
| Front Brakes | Drum |
| Rear Brakes | Drum |
| Front Tyre | 2.75-21 |
| Rear Tyre | 4.10-18 |
| Wheelbase | 1330 mm / 52.3 in |
| Seat Height | 835 mm / 32.4 in |
| Ground Clearance | 265 mm / 10.4 in |
| Dry Weight | 98 kg / 216 lbs |
| Fuel Capacity | 7 Litres / 2.0 US gal |
| Consumption Average | 78 mpg |
| Standing 1/4 Mile | 20 sec |
| Top Speed | 75 mph |
