1979 Yamaha XS 400

Yamaha XS 400
Picture credits: P J. Daubanton. Click for large image of the 1979 Yamaha XS 400
Yamaha XS 400
Yamaha XS 400
Yamaha XS 400
Yamaha XS 400
Yamaha XS 400

General motorcycle information

Model
Yamaha XS 400
Year
1979
Category
Classic
Rating
  2.9 out of 5

Engine and transmission

Displacement
23.92 cubic inches (392.0 ccm)
Engine type
Twin, 4 stroke
Power
27.0 horsepowers (20.1 kiloWatts) at 7000 RPM
Torque
23.01 pound-foot/lbf-ft (31.19 Nm / 3.18 kgf-m) at 6000 RPM
Compression
9.2:1
Bore x stroke
4.21 x 3.20 inches (69.0 x 52.4 mm)
Valves per cylinder
2
Fuel system
Injection
Fuel control
Overhead Cams (OHC)
Cooling system
Air
Gearbox
6-speed
Transmission type, final drive
Chain
Starter
Electric
Fuel consumption
-
Top speed
140.0 kmh (87.0 mph)

Chassis, suspension, brakes and wheels

Front tyre
3.00-18
Rear tyre
3.50-18
Front brake
Single disc
Rear brake
Expanding brake (drum)

Physical measures and capacities

Dry weight
401.2 pounds (182.0 kg)
Wet weight
401.2 pounds (182.0 kg)
Seat height
47.6 inches (780 mm)
Wheelbase
83.2 inches (1364 mm)
Ground clearance
-
Fuel capacity
4.49 gallons (17.0 litres)
Oil capacity
-

Further motorcycle information

More specs
All technical data from Bikez.com.
Rating
Detailed 1979 Yamaha XS 400 rating
Ask questions
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Insurance costs
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