1981 Yamaha XJ 400 Seca

Yamaha XJ 400 Seca
Picture credits: victoria BC. Click for large image of the 1981 Yamaha XJ 400 Seca

General motorcycle information

Model
Yamaha XJ 400 Seca
Year
1981
Category
Naked bike
Rating

Engine and transmission

Displacement
24.29 cubic inches (398.0 ccm)
Engine type
Four cylinder boxer, 4 stroke
Power
45.0 horsepowers (33.6 kiloWatts) at 10000 RPM
Torque
25.00 pound-foot/lbf-ft (33.90 Nm / 3.46 kgf-m) at 8000 RPM
Compression
9.7:1
Bore x stroke
3.11 x 2.98 inches (51.0 x 48.8 mm)
Fuel system
Carburettor
Fuel control
Double Overhead Cams/Twin Cam (DOHC)
Cooling system
Air
Gearbox
6-speed
Transmission type, final drive
Chain
Starter
Electric
Fuel consumption
-
Top speed
162.5 kmh (101.0 mph)

Chassis, suspension, brakes and wheels

Front suspension travel
8.66 inches (142.0 mm)
Rear suspension travel
5.86 inches (96.0 mm)
Front tyre
2.50-19
Rear tyre
110/90-18
Front brake
Single disc
Rear brake
Expanding brake (drum)

Physical measures and capacities

Dry weight
388.0 pounds (176.0 kg)
Seat height
-
Wheelbase
-
Ground clearance
-
Fuel capacity
-
Oil capacity
-

Further motorcycle information

Insurance costs
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