Yamaha RD125LC (1981-82)

The Yamaha RD125LC is a two-stroke, single-cylinder motorcycle with a capacity of 123 cc and a compression ratio of 6.4:1. It has a maximum power output of 20 hp at 9500 rpm and a maximum torque of 1.6 kgf-m at 9250 rpm. The bike features a six-speed transmission, chain final drive, and front and rear suspension consisting of 32mm telescopic forks and a monocross linkage with 6-way preload adjustment. The front brakes are a single 245mm disc, while the rear brakes are a 130mm drum. The motorcycle measures at a length of 1990 mm, width of 735 mm, and height of 1190 mm with a dry weight of 98 kg. It has a fuel capacity of 13 litres and a consumption average of 64 mpg. The standing 1/4 mile time is 16.7 seconds, and the top speed is 81 mph. The bike was produced from 1981-82.

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Technical specifications:

Make Model: Yamaha RD / RZ 125LC

Year: 1981 – 82

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