Difference between revisions of "Yamaha XJ400"

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{{Motorcycle
{{Motorcycle
|name            = '''Yamaha XJ400'''
|name            = Yamaha XJ400
|photo=yamaha-xj400-1981-1985-2.jpg
|photo=yamaha-xj400-1981-1985-2.jpg
|aka              = XJ 400
|aka              = XJ 400
|manufacturer    = [[Yamaha]]
|manufacturer    = Yamaha
|parent_company  =
|parent_company  =
|production      = 1981
|production      = 1981
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|predecessor      =
|predecessor      =
|successor        =
|successor        =
|class            = [[Naked]]
|class            = Naked
|engine          = Air Cooled, Four Stroke, Transverse Four Cylinder, DOHC
|engine          = Air Cooled, Four Stroke, Transverse Four Cylinder, DOHC
|bore_stroke      = 50.8mm x 50.8mm
|bore_stroke      = 50.8mm x 50.8mm
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|fuel_capacity    = 1.06 Gallon (4.00 Liters)
|fuel_capacity    = 1.06 Gallon (4.00 Liters)
|oil_capacity    =
|oil_capacity    =
|recommended_oil=Yamalube 10w-40
|fuel_consumption =
|fuel_consumption =
|turning_radius  =
|turning_radius  =
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[[Category:Yamaha motorcycles]]
[[Category:Yamaha motorcycles]]
[[Category:1980s motorcycles]]
[[Category:1980s motorcycles]]
[[Category:Motorcycles needing images]]

Latest revision as of 20:27, 23 November 2019


Yamaha-xj400-1981-1985-2.jpg
Yamaha XJ400
Manufacturer
Also called XJ 400
Production 1981
Class Naked
Engine
Air Cooled, Four Stroke, Transverse Four Cylinder, DOHC
Bore / Stroke 50.8mm x 50.8mm
Compression ratio 9.7:1
Horsepower 45.06 HP (33.6 KW) @ 10000RPM
Torque 25.08 ft/lbs (34.0 Nm) @ 8000RPM
Air Filter K&N YA-1600 `81-82[1]
Transmission Gear box: 6-Speed

Final Drive: Chain

Clutch: Wet multi-plate
Suspension Front: Telescopic Forks
Rear: Single Shock, Adjustable Spring Preload
Brakes Front: Single Disc 1 Piston Caliper
Rear: Drum
Front Tire 3.00-19
Rear Tire 110/90-18
Weight 189.0 kg (wet)
Recommended Oil Yamalube 10w-40
Fuel Capacity 1.06 Gallon (4.00 Liters)
Manuals Service Manual


The Yamaha XJ 400 was a Air Cooled, Four Stroke, Transverse Four Cylinder, DOHC Naked motorcycle produced by Yamaha in 1981. Max torque was 25.08 ft/lbs (34.0 Nm) @ 8000 RPM. Claimed horsepower was 45.06 HP (33.6 KW) @ 10000 RPM.

Engine[edit | edit source]

A 50.8mm bore x 50.8mm stroke result in a displacement of just 398.0 cubic centimeters.

Drive[edit | edit source]

The bike has a 6-Speed transmission. Power was moderated via the Wet multi-plate.

Chassis[edit | edit source]

It came with a 3.00-19 front tire and a 110/90-18 rear tire. Stopping was achieved via Single Disc 1 Piston Caliper in the front and a Drum in the rear. The front suspension was a Telescopic Forks while the rear was equipped with a Single Shock, Adjustable Spring Preload. The XJ 400 was fitted with a 1.06 Gallon (4.00 Liters) fuel tank.

1981 - 1985 Yamaha XJ 400[edit | edit source]

1981 - 1985 Yamaha XJ 400 1981 - 1985 Yamaha XJ 400 1981 - 1985 Yamaha XJ 400

The 1981 Yamaha XJ 400 model is a Naked bike bike manufactured by Yamaha. In this version sold from year 1981, the dry weight is 176.0 kg (388.0 pounds) and it is equiped with a Four cylinder boxer, four-stroke motor. The engine produces a maximum peak output power of 45.00 HP (32.8 kW) at 10000 RPM and a maximum torque of 33.90 Nm (3.5 kgf-m or 25.0 ft.lbs) at 8000 RPM.


In Media[edit | edit source]

References[edit | edit source]

  1. 2019 K&L Supply Co Catalog. K&L Supply Co. 2019.