These are the known mechanical and performance specifications for your 1977 Yamaha RD 400 C.
Basic Specs
Engine
Displacement399.00 ccm (24.35 cubic inches)
Type
DetailsTwin, two-stroke
Max RPM
Compression6.2:1
Bore/Stroke64.0 x 62.0 mm (2.5 x 2.4 inches)
Valves/Cylinder
Fueling
Ignition
Exhaust
Lubrication
CoolingAir
Performance
Horespower43.00 HP (31.4 kW)
Torque
Top Speed171.0 km/h (106.3 mph)
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity16.50 litres (4.36 gallons)
Emissions
Chassis
Frame Type
Rake
Trail
Front Suspension
Front Travel
Rear Suspension
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight
Wet Weight177.0 kg (390.2 pounds)
Wheels & Brakes
Front Tire/Tyre3.00-18
Rear Tire/Tyre3.50-18
Front BrakesSingle disc
Front Brake Diameter
Rear BrakesSingle disc
Rear Brake Diameter
Wheels
Comments