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Moto profi >> Manufacturers list >> Yamaha >> XS 400 1979
Motorcycle Specs and Pictures


Yamaha XS 400 1979

Yamaha XS 400 1979 photo
Yamaha XS 400 1979 photo 1
Click photo to enlarge

 


TECHNICAL SPECIFICATION
Model ID
Manufacturer (Make)Yamaha
Model NameXS 400
Year1979
Category(class)Classic
Engine
Engine Capacity (Displacement)392 ccm (23.92 cubic inches)
Engine TypeTwin
Bore x StrokeØ69.0 mm x 52.4 mm (Ø2.72 inches x 2.06 inches)
Bore/Stroke Ratio1.32
Stroke4
Valves per Cylinder2
Timing SystemOHC
Cooling SystemAir
Powertrain
Gearbox6 speed
Chassis/Suspension/Brakes
Front BrakesSingle disc
Rear BrakesDrum
Front Tire3.00-18
Rear Tire3.75-18
Dimensions
Curb Weight182 kg (401 lb)
Fuel Capacity 17 litres (4.49 gallons)
Performance
Max Power27.00 HP (19.7 kW) at 7000 RPM
Power/Weight Ratio0.15 Hp/Kg
Top Speed140 km/h (87mph)
Acceleration (dart, speedup) time
0-100 km/h10.1 seconds
0-60 mph9.6 seconds
  • 1/4 mile
  • -
  • 60 to 140 km/h, highest gear
  • -

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