These are the known mechanical and performance specifications for your 1975 Yamaha DT 400.
Basic Specs
Engine
Displacement397.00 ccm (24.22 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM7000
Compression6.4:1
Bore/Stroke85.0 x 70.0 mm (3.3 x 2.8 inches)
Valves/Cylinder
FuelingCarburettor. Mikuni
IgnitionCDI
Exhaust
Lubrication
CoolingAir
Performance
Horespower21.00 HP (15.3 kW)
Torque37.29 Nm (3.8 kgf-m or 27.5 ft.lbs)
Top Speed136.0 km/h (84.5 mph)
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity9.00 litres (2.38 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
Wheelbase1,410 mm (55.5 inches)
Dry Weight123.4 kg (272.0 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre
Rear Tire/Tyre
Front BrakesExpanding brake (drum brake)
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
Wheels
Comments