1978 Yamaha XS 400

Yamaha XS 400
Picture credits: BJ Rhatigan. Click for large image of the 1978 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
1978
Category
Naked bike
Rating
  3.0 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
-
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
-
Fuel control
Overhead Cams (OHC)
Cooling system
Air
Gearbox
6-speed
Transmission type, final drive
Chain
Starter
-
Fuel consumption
-
Top speed
140.0 kmh (87.0 mph)

Chassis, suspension, brakes and wheels

Front tyre
3.00-18
Rear tyre
3.75-18
Front brake
Single disc
Rear brake
Expanding brake (drum)

Physical measures and capacities

Dry weight
-
Wet weight
401.2 pounds (182.0 kg)
Seat height
-
Wheelbase
-
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 1978 Yamaha XS 400 rating
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Insurance costs
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