These are the known mechanical and performance specifications for your 1982 Yamaha RD 80 LC.
Basic Specs
Engine
Displacement79.00 ccm (4.82 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM12000
Compression7.1:1
Bore/Stroke49.0 x 42.0 mm (1.9 x 1.7 inches)
Valves/Cylinder
FuelingCarburettor. mikuni vm18
Ignitioncdi
Exhaustsingle expansion chamber
Lubricationwet sump
CoolingOil & air
Performance
Horespower10.00 HP (7.3 kW)
Torque0.90 Nm (0.1 kgf-m or 0.7 ft.lbs)
Top Speed128.7 km/h (80.0 mph)
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity10.00 litres (2.64 gallons)
Emissions
Chassis
Frame Typesteel cradle
Rake
Trail
Front Suspensiontelescopic forks
Front Travel
Rear Suspensionyamaha monoshock
Rear Travel
Seat
Seat Height765 mm (30.1 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1 mm (0.0 inches)
Total Length1 mm (0.0 inches)
Total Width685 mm (27.0 inches)
Ground Clearance195 mm (7.7 inches)
Wheelbase1 mm (0.0 inches)
Dry Weight78.0 kg (172.0 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre
Rear Tire/Tyre
Front BrakesSingle disc. single sliding piston caliper
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
Wheels
Comments
This is the UK model. Only in production for 4 years 1979/82.