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{{Motorcycle | |||
|name = Yamaha GX 400 | |||
|photo=yamaha-gx-400-1978-1978-2.jpg | |||
|aka = | |||
|manufacturer = Yamaha | |||
|parent_company = | |||
|production = 1978 | |||
|model_year = | |||
|predecessor = | |||
|successor = | |||
|class = Classic | |||
|engine = Four stroke, parallel twin, air cooled | |||
|bore_stroke = 68.6mm x 68.6mm | |||
|compression = 9.2:1 | |||
|top_speed = | |||
|power = 37.01 HP (27.6 KW) @ 8800RPM | |||
|torque = 24.34 ft/lbs (33.0 Nm) @ 8000RPM | |||
|ignition = | |||
|spark_plug = | |||
|battery = | |||
|transmission = Gear box: 6-Speed <br> | |||
Final Drive: Chain <br> | |||
Clutch: Wet multi-discs <br> | |||
|frame = | |||
|suspension =Front: Telescopic forks <br> | |||
Rear: Dual shocks | |||
|brakes =Front: Single disc <br>Rear: Single disc | |||
|front_tire = {{tire|3.00-18}} | |||
|rear_tire = {{tire|3.50-18}} | |||
|rake_trail = | |||
|wheelbase = | |||
|length = | |||
|width = | |||
|height = | |||
|seat_height = | |||
|dry_weight = | |||
|wet_weight = 168.0 kg | |||
|fuel_capacity = | |||
|oil_capacity = | |||
|recommended_oil=Yamalube 10w-40 | |||
|fuel_consumption = | |||
|turning_radius = | |||
|related = | |||
|competition = | |||
}} | |||
The '''[[Yamaha]] GX 400''' was a Four stroke, parallel twin, [[air cooled]] Classic [[motorcycle]] produced by [[Yamaha]] in 1978. Max [[torque]] was 24.34 ft/lbs (33.0 Nm) @ 8000 RPM. Claimed [[horsepower]] was 37.01 HP (27.6 KW) @ 8800 RPM. | |||
==Engine== | |||
A 68.6mm [[bore]] x 68.6mm [[stroke]] result in a [[displacement]] of just 391.0 cubic centimeters. | |||
==Drive== | |||
The bike has a 6-Speed transmission. Power was moderated via the Wet multi-discs. | |||
==Chassis== | |||
It came with a 3.00-18 front [[tire]] and a 3.50-18 rear tire. Stopping was achieved via Single disc in the front and a Single disc in the rear. The front suspension was a Telescopic forks while the rear was equipped with a Dual shocks. | |||
==1978 Yamaha GX 400== | |||
[[File:yamaha-gx-400-1978-1978-2.jpg|600px|1978 Yamaha GX 400]] | |||
[[File:yamaha-gx-400-1978-1978-1.jpg|600px|1978 Yamaha GX 400]] | |||
[[File:yamaha-gx-400-1978-1978-0.jpg|600px|1978 Yamaha GX 400]] | |||
It had a small body same as GX250, which was its series model. Its square body was inherited from the RD series, the 2-stroke road bike. | |||
[[Category:Classic motorcycles]] | |||
[[Category:Yamaha motorcycles]] | |||
[[Category:1970s motorcycles]] | |||