General information |
Model name
|
Yamaha XS 400 |
Model year
|
1982 |
Category
|
Classic |
Rating
|
3.7 See the detailed rating of design and look, engine performance, reliability, fun-factor, etc. Compare with any other bike. |
Engine and transmission |
Displacement
|
392.0 ccm (23.92 cubic inches) |
Engine type
|
Twin, four-stroke |
Power output
|
27.0 HP (19.7 kW)) @ 7000 RPM |
Top speed
|
143.2 km/h (89.0 mph) |
Compression
|
9.2:1 |
Bore x stroke
|
69.0 x 52.4 mm (2.7 x 2.1 inches) |
Valves per cylinder
|
2 |
Fuel system
|
Carburettor. 2 x 3 2 mm Mikuni |
Fuel control
|
Overhead Cams (OHC) |
Ignition
|
Transistorized |
Lubrication system
|
Wet sump |
Gearbox
|
6-speed |
Transmission type
|
Chain (final drive) |
Clutch
|
Wet, multiplate |
Chassis, suspension, brakes and wheels |
Rake (fork angle)
|
27.0° |
Trail
|
95 mm (3.7 inches) |
Front suspension
|
Hydraulic telescopic forks |
Rear suspension
|
Monocross system with single coil sprung, gas/oil damped shock, pre-load adjustable |
Front tire
|
3.00-18 |
Rear tire
|
4.00-18 |
Front brakes
|
Single disc |
Rear brakes
|
Expanding brake |
Physical measures and capacities |
Dry weight
|
169.0 kg (372.6 pounds) |
Weight incl. oil, gas, etc
|
182.0 kg (401.2 pounds) |
Power/weight ratio
|
0.1598 HP/kg |
Overall width
|
400 mm (15.7 inches) |
Fuel capacity
|
17.00 litres (4.49 US gallons) |
Oil capacity
|
2.30 litres (2.43 US quarts) |
Other specifications |
Starter
|
Electric |
Update specs | Report missing specs or required updates. |
Maintenance and service specs * |
Engine oil
|
SAE 10W-40 |
Oil filter
|
K&N KN-144 |
Brake fluid
|
DOT 3 |
Battery
|
Yuasa 12N12A-4A-1 |
Spark plugs
|
NGK BP7ES |
Idle speed
|
1200 RPM |
Chain size
|
530 |
Chain links
|
100 |
Sprockets
|
15/39 (front/rear) |
Tire pressure front
|
26 PSI (1.8 Bar or 180 kPa) |
Tire pressure rear
|
29 PSI (2 Bar or 200 kPa) |
Fork tube size
|
33 mm (1.3 inches) |
*) Always verify maintenance and service data with the bike owner's manual. |
Further information |
Insurance costs | Compare US insurance quotes from the nation's top providers. |
Parts finder | CMSNL provides
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Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
Ask questions | Join the 82 Yamaha XS 400 discussion group or the general Yamaha discussion group. |
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