1982 Yamaha XS 400

1982 Yamaha XS 400 Specifications

  • Updated: 2023-03-20

General information

ModelYamaha XS 400

Engine and transmission

Displacement392.0 ccm (23.92 cubic inches)
Engine typeTwin, four-stroke
Power27.0 HP (19.7 kW) @ 7000 RPM
Top speed143.2 km/h (89.0 mph)
Bore x stroke69.0 x 52.4 mm (2.7 x 2.1 inches)
Valves per cylinder2
Fuel systemCarburettor. 2 x 3 2 mm Mikuni
Fuel controlOverhead Cams (OHC)
Lubrication systemWet sump
Transmission typeChain (final drive)
ClutchWet, multiplate

Chassis, suspension, brakes and wheels

Rake (fork angle)27.0°
Trail95 mm (3.7 inches)
Front suspensionHydraulic telescopic forks
Rear suspensionMonocross system with single coil sprung, gas/oil damped shock, pre-load adjustable
Front tire3.00-18
Rear tire4.00-18
Front brakesSingle disc
Rear brakesExpanding brake
Dry weight169.0 kg (372.6 pounds)
Weight incl. oil, gas, etc182.0 kg (401.2 pounds)
Power/weight ratio0.1598 HP/kg
Overall width400 mm (15.7 inches)
Fuel capacity17.00 litres (4.49 US gallons)
Oil capacity2.30 litres (2.43 US quarts)
Show all bikes made in 1982