The Yamaha SR 125 was a popular motorcycle produced from 1982-86. It featured a four stroke, single cylinder engine with a capacity of 125 cc and a compression ratio of 10.0:1. The TEIKEI Y24P/1 carburetor and CDI ignition contributed to its maximum power output of 12 hp at 8500 rpm, with a maximum torque of 9.8 Nm at 8000 rpm. The motorcycle had a 5-speed transmission and chain final drive, with a front suspension of telescopic forks and a rear suspension of dual shocks. Braking was achieved through a single 237mm disc in the front and a 130mm drum at the rear. The motorcycle’s weight was 103 kg and fuel capacity was 10 litres.
Technical specifications:
Make Model: Yamaha SR 125
| Year | 1982 – 86 |
|---|---|
| Engine | Four stroke, single cylinder. OHV, 2 valve |
| Capacity | 125 cc / 7.6 cu-in |
| Bore x Stroke | 57 X 48.8 mm |
| Cooling System | Air cooled |
| Compression Ratio | 10.0:1 |
| Induction | TEIKEI Y24P/1 carburetor |
| Ignition | CDI |
| Starting | Electric |
| Max Power | 12 hp / 8.8 kW @ 8500 rpm |
| Max Torque | 9.8 Nm @ 8000 rpm |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Front Suspension | Telescopic forks |
| Front Wheel Travel | 120 mm / 4.5 in |
| Rear Suspension | Dual shocks |
| Rear Wheel Travel | 78 mm / 3.0 in |
| Front Brakes | Single 237mm disc |
| Rear Brakes | 130mm drum |
| Front Tyre | 3.00-17 |
| Rear Tyre | 3.00-16 |
| Wheelbase | 1285 mm / 50.5 in |
| Seat Height | 745 mm / 29.3 in |
| Dry Weight | 103 kg / 22.7 lbs |
| Fuel Capacity | 10 Litres / 2.6 US gal |
