The Yamaha RD 125LC (1983-84) motorcycle is a two-stroke, single-cylinder bike with a capacity of 123cc. It has a liquid cooling system, compression ratio of 6.4:1, and uses autolube oil with a capacity of 1.1L. The bike has a maximum power output of 20hp at 9500 rpm and a maximum torque of 1.6 kgf-m at 9250 rpm. The transmission is six-speed and the final drive is chain. The front suspension consists of 32mm telescopic forks while the rear suspension has a monocross linkage with six-way preload adjustment. The front brake is a single 245mm disc and the rear brake is a 130mm drum. The dimensions of the bike are 1990mm in length, 735mm in width, and 1190mm in height with a wheelbase of 1295mm and a seat height of 775mm. The ground clearance is 185mm and the bike has a dry weight of 98kg. The fuel capacity is 13 litres and the average consumption is 64mpg. The standing quarter-mile time is 16.7 seconds and the top speed is 81mph. Overall, the Yamaha RD 125LC (1983-84) is a small, lightweight bike with decent power and decent handling.
Technical specifications:
Make Model: Yamaha RZ 125S
| Year | 1983 – 84 |
|---|---|
| Engine | Two stroke, single cylinder |
| Capacity | 123 cc / 7.5 cu-in |
| Bore x Stroke | 56 50 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 6.4:1 |
| Lubrication | Autolube |
| Oil Capacity | 1.1 L |
| Induction | 24mm Mikuni carburetors |
| Ignition | Hitachi CDI |
| Starting | Kick |
| Max Power | 20 hp / 15.5 kW @ 9500 rpm |
| Max Torque | 1.6 kgf-m / 16 Nm @ 9250 rpm |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Front Suspension | 32mm Telescopic forks |
| Rear Suspension | Monocross linkage 6-way preload adjustment |
| Front Brakes | Single 245mm disc |
| Rear Brakes | 130mm Drum |
| Front Tyre | 2.75-18-4PR |
| Rear Tyre | 3.00-18-6PR |
| Dimensions | Length 1990 mm / 78.3 in Width 735 mm / 28.9 in Height 1190 mm / 46.8 in |
| Wheelbase | 1295 mm / 50.9 in |
| Seat Height | 775 mm / 30.5 in |
| Ground Clearance | 185 mm / 7.2 in |
| Dry Weight | 98 kg / 216 lbs |
| Fuel Capacity | 13 Litres / 3.4 US gal |
| Consumption Average | 64 mpg |
| Standing 1/4 Mile | 16.7 sec |
| Top Speed | 81 mph / 130.3 km/h |
