These are the known mechanical and performance specifications for your 1985 Yamaha XS 400 DOHC.
Basic Specs
Engine
Displacement399.00 ccm (24.35 cubic inches)
Type
DetailsTwin, four-stroke
Max RPM
Compression9.7:1
Bore/Stroke69.0 x 53.4 mm (2.7 x 2.1 inches)
Valves/Cylinder2
Fueling
Ignition
Exhaust
Lubrication
CoolingAir
Performance
Horespower45.00 HP (32.8 kW)
Torque
Top Speed168.0 km/h (104.4 mph)
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity18.00 litres (4.76 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 Weight187.0 kg (412.3 pounds)
Wheels & Brakes
Front Tire/Tyre3.00-18
Rear Tire/Tyre4.10-18
Front BrakesSingle disc
Front Brake Diameter
Rear BrakesExpanding brake
Rear Brake Diameter
Wheels
Comments