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.
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
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