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Yamaha RD 80 LC Specs

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The Yamaha RD 80 LC model is a Sport bike manufactured by Yamaha . In this version sold from year 1982 , the dry weight is 78.0 kg (172.0 pounds) and it is equipped with a Single cylinder, two-stroke motor. The engine produces a maximum peak output power of 10.00 HP (7.3 kW) @ 8500 RPM and a maximum torque of 0.90 Nm (0.1 kgf-m or 0.7 ft.lbs) @ 7500 RPM . With this drive-train, the Yamaha RD 80 LC is capable of reaching a maximum top speed of 128.7 km/h (80.0 mph) . On the topic of chassis characteristics, responsible for road holding, handling behavior and ride comfort, the Yamaha RD 80 LC has a steel cradle frame with front suspension being telescopic forks and at the rear, it is equipped with yamaha monoshock . Stock tire sizes are  on the front, and  on the rear. As for stopping power, the Yamaha RD 80 LC braking system includes Single disc. single sliding piston caliper size  at the front and Expanding brake (drum brake) size  at the back. 

Yamaha RD 80 LC General Information

Brand Yamaha 
Model Yamaha RD 80 LC 
Start year 1982 
Year 1982 
Category Sport 
Factory Warranty (Years / miles)

Yamaha RD 80 LC Dimensions, Aerodynamics and weight

Frame type steel cradle 
Seat details
Wheelbase 1 mm (0.0 inches) 
Length 1 mm (0.0 inches) 
Width 685 mm (27.0 inches) 
Height 1 mm (0.0 inches) 
Seat Height 765 mm (30.1 inches) If adjustable, lowest setting. 
Alternate Seat Height
Ground Clearance 195 mm (7.7 inches) 
Trail size
Wheels details
Front Tyres - Rims dimensions
Rear Tyres - Rims dimensions
Front brakes Single disc. single sliding piston caliper 
Rear brakes Expanding brake (drum brake) 
Front Brakes Dimensions - Disc Dimensions
Rear Brakes Dimensions - Disc Dimensions
Curb Weight (including fluids)
Dry Weight 78.0 kg (172.0 pounds) 
Front Percentage of Weight
Rear Percentage of Weight
Weight-Power Output Ratio : 0.1282 HP/kg 
Fuel Tank Capacity 10.00 litres (2.64 gallons) 
Reserve Fuel Capacity 1.10 litres (0.29 gallons) 
Carrying Details and Capacity
Front Suspension telescopic forks 
Front Suspension Travel
Rear Suspension yamaha monoshock 
Rear Suspension Travel

Yamaha RD 80 LC Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, two-stroke 
Engine details
Fuel system Carburettor. mikuni vm18 
Engine size - Displacement - Engine capacity 79.00 ccm (4.82 cubic inches) 
Bore x Stroke 49.0 x 42.0 mm (1.9 x 1.7 inches) 
Compression Ratio 7.1:1 
Number of valves per cylinder
Camshaft Valvetrain Configuration
Maximum power - Output - Horsepower 10.00 HP (7.3 kW) @ 8500 RPM 
Maximum torque 0.90 Nm (0.1 kgf-m or 0.7 ft.lbs) @ 7500 RPM 
Engine Maximum RPM 12000 
Cooling system Oil & air 
Lubrication system wet sump 
Engine oil capacity
Exhaust system single expansion chamber 
Gearbox 6-speed 
Transmission type, final drive ratio Chain 
Clutch type wet plate 

Yamaha RD 80 LC Performance

Top Speed 128.7 km/h (80.0 mph) 
Acceleration 0 to 100 km/h (0 to 62 mph)
Acceleration 0 to 400m (1/4 mile)
Recuperation 60 to 140 km/h in highest gear
Fuel Consumption - MPG - Economy - Efficiency
CO2 emissions

Yamaha RD 80 LC Electrical Systems, Ignition and Equipment

Ignition Type cdi 
Electrical Details
Starter Type Kick 
How much horsepower does a Yamaha RD 80 LC have?
The Yamaha RD 80 LC has 10.00 HP (7.3 kW) @ 8500 RPM.

How fast is a Yamaha RD 80 LC?
The Yamaha RD 80 LC top speed is 128.7 km/h (80.0 mph).

How much does a Yamaha RD 80 LC weighs?
The Yamaha RD 80 LC weighs 78.0 kg (172.0 pounds).

How tall (seat height) is a Yamaha RD 80 LC?
The Yamaha RD 80 LC seat height is 765 mm (30.1 inches) If adjustable, lowest setting.

How many gears does a Yamaha RD 80 LC have?
The Yamaha RD 80 LC have 6 gears.