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| | | #Redirect [[Yamaha GX400]] |
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| {{Infobox Motorcycle
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| |name = '''Yamaha GX 400'''
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| |image =
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| |aka =
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| |manufacturer = [[Yamaha]]
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| |parent_company =
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| |production = 1978
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| |model_year =
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| |predecessor =
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| |successor =
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| |class = [[Classic]]
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| |engine = Four stroke, parallel twin, air cooled
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| |bore_stroke = 68.6mm x 68.6mm
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| |compression = 9.2:1
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| |top_speed =
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| |power = 37.01 HP (27.6 KW) @ 8800RPM
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| |torque = 24.34 ft/lbs (33.0 Nm) @ 8000RPM
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| |ignition =
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| |spark_plug =
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| |battery =
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| |transmission = Gear box: 6-Speed <br>
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| Final Drive: Chain <br>
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| Clutch: Wet multi-discs <br>
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| |frame =
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| |suspension =Front: Telescopic forks <br>
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| Rear: Dual shocks
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| |brakes =Front: Single disc <br>Rear: Single disc
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| |front_tire = {{tire|3.00-18}}
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| |rear_tire = {{tire|3.50-18}}
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| |rake_trail =
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| |wheelbase =
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| |length =
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| |width =
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| |height =
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| |seat_height =
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| |dry_weight =
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| |wet_weight = 168.0 kg
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| |fuel_capacity =
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| |oil_capacity =
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| |fuel_consumption =
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| |turning_radius =
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| |related =
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| |competition =
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| }}
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| 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.
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| ==Engine==
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| A 68.6mm [[bore]] x 68.6mm [[stroke]] result in a [[displacement]] of just 391.0 cubic centimeters.
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| ==Drive==
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| The bike has a 6-Speed transmission. Power was moderated via the Wet multi-discs.
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| ==Chassis==
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| 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.
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| ==1978 Yamaha GX 400==
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| [[File:yamaha-gx-400-1978-1978-2.jpg|600px|1978 Yamaha GX 400]]
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| [[File:yamaha-gx-400-1978-1978-1.jpg|600px|1978 Yamaha GX 400]]
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| [[File:yamaha-gx-400-1978-1978-0.jpg|600px|1978 Yamaha GX 400]] | |
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| 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.
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| [[Category:Classic motorcycles]]
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| [[Category:Yamaha motorcycles]]
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| [[Category:1970s motorcycles]]
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| [[Category:Motorcycles needing images]]
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