General information |
Motorcycle name
|
Yamaha XJ 400 Seca |
Model year
|
1981 |
Category
|
Naked bike |
Rating
|
3.2 See the detailed rating of engine performance, design and look, accident risk, etc. Compare with any other motorcycle. |
Engine and transmission |
Displacement
|
398.0 ccm (24.29 cubic inches) |
Engine type
|
Four cylinder boxer, four-stroke |
Power output
|
45.0 HP (32.8 kW)) @ 10000 RPM |
Torque
|
33.9 Nm (3.5 kgf-m or 25.0 ft.lbs) @ 8000 RPM |
Top speed
|
162.5 km/h (101.0 mph) |
1/4 mile (0.4 km)
|
14.00 seconds |
Compression
|
9.7:1 |
Bore x stroke
|
51.0 x 48.8 mm (2.0 x 1.9 inches) |
Fuel system
|
Carburettor. 2x34 Mikuni |
Fuel control
|
Double Overhead Cams/Twin Cam (DOHC) |
Ignition
|
Battery Powered Inductive |
Cooling system
|
Air |
Gearbox
|
6-speed |
Transmission type
|
Chain (final drive) |
Chassis, suspension, brakes and wheels |
Front suspension
|
35mm Telescopic Forks |
Front wheel travel
|
142 mm (5.6 inches) |
Rear suspension
|
Single Adjustable Spring Preload |
Rear wheel travel
|
96 mm (3.8 inches) |
Front tire
|
2.50-19 |
Rear tire
|
110/90-18 |
Front brakes
|
Single disc. 1 Piston Caliper |
Rear brakes
|
Expanding brake (drum brake) |
Physical measures and capacities |
Dry weight
|
176.0 kg (388.0 pounds) |
Power/weight ratio
|
0.2557 HP/kg |
Other specifications |
Color options
|
Black |
Starter
|
Electric |
Update specs | Report missing specs or required updates. |
Further information |
Insurance costs | Compare US insurance quotes from the nation's top providers. |
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Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
Ask questions | Join the 81 Yamaha XJ 400 Seca discussion group or the general Yamaha discussion group. |
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