Difference between revisions of "Yamaha RD400"

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{{Motorcycle
|name            = Yamaha RD400
|photo= 1976-Yamaha-1976-RD400C-Red-1126-0.jpg
|aka              = RD400C, RD 400 C, RD 400
|manufacturer    = Yamaha
|parent_company  =
|production      = 1976 - 1979
|model_year      =
|predecessor      =
|successor        =
|class            = Classic
|engine          = twin, two-stroke
|bore_stroke      = 64.0mm x 62.0mm
|compression      = 6.2:1
|top_speed        = 109 mph (175 km/h)
|power            = 42.11 HP (31.4 KW) @ 7500RPM
|torque          =
|ignition        =
|spark_plug      = {{sparkplug|NGK B8ES}} '76-79
|battery          = {{battery|YUASA 12N5-5A-3B}} '76-79
|transmission    = Gear box: 6-speed <br>
Final Drive: [[chain]] <br>
Clutch: Wet multi-plate <br>
|final_drive= {{chain|530x96}}
|front_sprocket= 16T
|rear_sprocket= 37T
|frame            =
|suspension      =Front: Telescopic Forks <br>
Rear: Swingarm
|brakes          =Front: single disc <br>Rear: single disc
|front_tire      = {{tire|3.00-18}}
|rear_tire    = {{tire|3.50-18}}
|rake_trail      =
|wheelbase        = 52.01 inches (1321 mm)
|length          = 78.5 inches (1994 mm)
|width            = 29.88 inches (759 mm)
|height          =
|seat_height      = 31.5 inches (800 mm)
|dry_weight      =
|wet_weight      = 175.0 kg
|fuel_capacity    = 4.36 Gallon (16.50 Liters)
|oil_capacity    =
|recommended_oil= Yamalube 10w-40
|fuel_consumption =
|turning_radius  =
|related          = [[Yamaha RD250LC]], [[Yamaha RD200]], [[Yamaha RD250]], [[Yamaha RD350]], [[Yamaha RD400]]
|competition      =
}}
The '''[[Yamaha]] RD400''' was a twin, two-stroke Classic [[motorcycle]] produced by [[Yamaha]] between 1976 and 1979. It could reach a top speed of 109 mph (175 km/h). Claimed [[horsepower]] was 42.11 HP (31.4 KW) @ 7500 RPM. 
==Engine==
The engine was a [[air cooled]] twin, two-stroke. A 64.0mm [[bore]] x 62.0mm [[stroke]] result in a [[displacement]] of just 399.0 cubic centimeters. Fuel was supplied via a membrane. 
==Drive==
The bike has a 6-speed transmission. Power was moderated via the Wet multi-plate. 
==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 Swingarm. The RD400 was fitted with a 4.36 Gallon (16.50 Liters) fuel tank. The wheelbase was 52.01 inches (1321 mm) long. 
{{clear}}
==1976 RD400-C==
==1976 RD400-C==
[[Image:1976-Yamaha-RD400C-Green-0.jpg|left|thumb|1976 Yamaha RD400C in Green]][[Image:1976-Yamaha-RD400C-Green-1.jpg|left|thumb|1976 Yamaha RD400C in Green]][[Image:1976-Yamaha-RD400C-Green-2.jpg|left|thumb|1976 Yamaha RD400C in Green]][[Image:1976-Yamaha-RD400C-Green-3.jpg|left|thumb|1976 Yamaha RD400C in Green]][[Image:1977-Yamaha-RD400-French Blue-0.jpg|left|thumb|1977 Yamaha RD400 in French Blue]][[Image:1977-Yamaha-RD400-French Blue-1.jpg|left|thumb|1977 Yamaha RD400 in French Blue]]
<gallery mode="packed-hover">
<br style="clear: left"/>
File:1976-Yamaha-RD400C-Green-0.jpg|left|thumb|1976 Yamaha RD400C in Green
File:1976-Yamaha-RD400C-Green-1.jpg|left|thumb|1976 Yamaha RD400C in Green
File:1976-Yamaha-RD400C-Green-2.jpg|left|thumb|1976 Yamaha RD400C in Green
File:1976-Yamaha-RD400C-Green-3.jpg|left|thumb|1976 Yamaha RD400C in Green
File:1976-Yamaha-1976-RD400C-Red-1126-0.jpg|left|thumb|1976 Yamaha 1976 RD400C in Red
File:1976-Yamaha-1976-RD400C-Red-1126-1.jpg|left|thumb|1976 Yamaha 1976 RD400C in Red
File:1976-Yamaha-1976-RD400C-Red-1126-2.jpg|left|thumb|1976 Yamaha 1976 RD400C in Red
File:1976-Yamaha-1976-RD400C-Red-1126-3.jpg|left|thumb|1976 Yamaha 1976 RD400C in Red
File:1976-Yamaha-1976-RD400C-Red-1126-4.jpg|left|thumb|1976 Yamaha 1976 RD400C in Red
</gallery>
 
 
==1977 RD400==
<gallery mode="packed-hover">
File:1977-Yamaha-RD400-French-Blue-0.jpg|left|thumb|1977 Yamaha RD400 in French Blue
File:1977-Yamaha-RD400-French-Blue-1.jpg|left|thumb|1977 Yamaha RD400 in French Blue
File:1977-Yamaha-RD400-Blue-3400-0.jpg|left|thumb|1977 Yamaha RD400 in Blue
File:1977-Yamaha-RD400-Blue-3400-1.jpg|left|thumb|1977 Yamaha RD400 in Blue
File:1977-Yamaha-RD400-Blue-4900-0.jpg|left|thumb|1977 Yamaha RD400 in Blue
File:1977-Yamaha-RD400-Blue-4900-1.jpg|left|thumb|1977 Yamaha RD400 in Blue
File:1977-Yamaha-RD400-Blue-4900-2.jpg|left|thumb|1977 Yamaha RD400 in Blue
File:1977-Yamaha-RD400-Blue-4900-3.jpg|left|thumb|1977 Yamaha RD400 in Blue
File:1977-Yamaha-RD400-Blue-4900-4.jpg|left|thumb|1977 Yamaha RD400 in Blue
File:1977-Yamaha-RD400-Blue-4900-5.jpg|left|thumb|1977 Yamaha RD400 in Blue
File:1977-Yamaha-RD400-Blue-4900-7.jpg|left|thumb|1977 Yamaha RD400 in Blue
File:1977-Yamaha-RD400-Red-7548-0.jpg|left|thumb|1977 Yamaha RD400 in Red
File:1977-Yamaha-RD400-Red-7548-1.jpg|left|thumb|1977 Yamaha RD400 in Red
</gallery>
 


==1978 RD400==
==1978 RD400==
[[Image:1978-Yamaha-RD400-Silver-0.jpg|left|thumb|1978 Yamaha RD400 in Silver]][[Image:1978-Yamaha-RD400-Silver-1.jpg|left|thumb|1978 Yamaha RD400 in Silver]]
<gallery mode="packed-hover">
<br style="clear: left"/>
File:1978-Yamaha-RD400-Silver-0.jpg|left|thumb|1978 Yamaha RD400 in Silver
File:1978-Yamaha-RD400-Silver-1.jpg|left|thumb|1978 Yamaha RD400 in Silver
File:1978-Yamaha-RD400-Silver-0.jpg|left|thumb|1978 Yamaha RD400 in Silver
File:1978-Yamaha-RD400-Silver-1.jpg|left|thumb|1978 Yamaha RD400 in Silver
File:1978-Yamaha-RD400-Silver-2.jpg|left|thumb|1978 Yamaha RD400 in Silver
File:1978-Yamaha-RD400-Silver-3.jpg|left|thumb|1978 Yamaha RD400 in Silver
File:1978-yamaha-rd400-0.jpg|1978 Yamaha RD400
File:1978-yamaha-rd400-1.jpg|1978 Yamaha RD400
File:1978-yamaha-rd400-2.jpg|1978 Yamaha RD400
File:1978-yamaha-rd400-3.jpg|1978 Yamaha RD400
File:1978-yamaha-rd400-4.jpg|1978 Yamaha RD400
</gallery>
 
==1979==
<gallery mode="packed-hover">
File:1979-Yamaha-RD400-White-7374-0.jpg|left|thumb|1979 Yamaha RD400 Daytona Special in White
File:1979-Yamaha-RD400-White-7374-1.jpg|left|thumb|1979 Yamaha RD400 Daytona Special in White
File:1979-Yamaha-RD400-White-7374-2.jpg|left|thumb|1979 Yamaha RD400 Daytona Special in White
File:1979-Yamaha-RD400-White-7374-3.jpg|left|thumb|1979 Yamaha RD400 Daytona Special in White
File:1979-Yamaha-RD400-White-7374-4.jpg|left|thumb|1979 Yamaha RD400 Daytona Special in White
File:1979-Yamaha-RD400-White-7374-5.jpg|left|thumb|1979 Yamaha RD400 Daytona Special in White
File:1979-Yamaha-RD400-White-7374-6.jpg|left|thumb|1979 Yamaha RD400 Daytona Special in White
File:1979-Yamaha-RD400-White-7374-7.jpg|left|thumb|1979 Yamaha RD400 Daytona Special in White
</gallery>
 




The model shown below is definitely NOT a 1979 RD400F Daytona Special.  The tank and side covers are from either a 1976, 1977 or 1978 model; the seat/tail section is aftermarket, as are the DG Expansion Chamber exhaust.  The 1979 RD400F Daytona stock bodywork was white, and distinctively shaped differently from prior year RD400 models.
The cylinder head on the below bike is also from a prior year; the 1979 head was a one-piece, with a front havig a ram-air look which was taller than the back, unlike the flat shape heads of the earlier models. The graphics on the below model are also from the non-U.S. (European) market model(s).
==NOT a 1979==
[[Image:1979-Yamaha-RD400-Yellow-0.jpg|left|thumb|1979 Yamaha RD400 in Yellow]][[Image:1979-Yamaha-RD400-Yellow-1.jpg|left|thumb|1979 Yamaha RD400 in Yellow]][[Image:1979-Yamaha-RD400-Yellow-2.jpg|left|thumb|1979 Yamaha RD400 in Yellow]][[Image:1979-Yamaha-RD400-Yellow-3.jpg|left|thumb|1979 Yamaha RD400 in Yellow]][[Image:1979-Yamaha-RD400-Yellow-4.jpg|left|thumb|1979 Yamaha RD400 in Yellow]][[Image:1979-Yamaha-RD400-Yellow-5.jpg|left|thumb|1979 Yamaha RD400 in Yellow]]
<br style="clear: left"/>


*Last year exported to US.
*Last year exported to US.
==1976 - 1980 Yamaha RD 400==
<gallery mode="slideshow">
File:yamaha-rd400-1976-1980-2.jpg|600px|1976 - 1980 Yamaha RD 400
File:yamaha-rd400-1976-1980-1.jpg|600px|1976 - 1980 Yamaha RD 400
File:yamaha-rd400-1976-1980-0.jpg|600px|1976 - 1980 Yamaha RD 400
</gallery>
The Yamaha RD 400 has already become a classic in its own time. Fully equipped with speedometer, tachometer, hydraulically operated disc brakes on front and rear.
==In Media==
* [https://motopixel.org/pixel/lao-jia-lao-nu-lao-shang-lao#yamaha-rd400 Lao jia lao nu lao shang lao]
* [https://motopixel.org/pixel/game-of-death#yamaha-rd400 Game of Death]
* [https://motopixel.org/pixel/everybody-wants-some#yamaha-rd400 Everybody Wants Some!!]
* [https://motopixel.org/pixel/province-77#yamaha-rd400 Province 77]
==See Also==
*[[Yamaha RD200]]
*[[Yamaha RD250]]
*[[Yamaha RD350]]


==External Links==
==External Links==
*[http://www.yamaha-rd.com/forum/index.php Yamaha RD Forum]
*[http://www.yamaha-rd.com/forum/index.php Yamaha RD Forum]
==References==
{{reflist}}
{{motorcycle-stub}}
{{Yamaha}}
[[Category:Yamaha motorcycles|RD400]]
[[Category:Yamaha RD Series|Yamaha RD Series]]
[[Category:1970s motorcycles]]
[[Category:Street motorcycles]]
[[Category:400cc displacement motorcycles]]
[[Category:400cc 2-stroke motorcycles]]
[[Category:Twin cylinder motorcycles]]
[[Category:Twin cylinder 2-stroke motorcycles]]
[[Category:2-stroke motorcycles]]
[[Category:Piston Inlet Port motorcycles]]
[[Category:Yamaha RD series]]
[[Category:Classic motorcycles]]
[[Category:1970s motorcycles]]

Latest revision as of 20:05, 23 November 2019

1976-Yamaha-1976-RD400C-Red-1126-0.jpg
Yamaha RD400
Manufacturer
Yamaha
Also called RD400C, RD 400 C, RD 400
Production 1976 - 1979
Class Classic
Engine
twin, two-stroke
Bore / Stroke 64.0mm x 62.0mm
Compression ratio 6.2:1
Top Speed 109 mph (175 km/h)
Horsepower 42.11 HP (31.4 KW) @ 7500RPM
Spark Plug NGK B8ES '76-79
Battery YUASA 12N5-5A-3B '76-79
Transmission Gear box: 6-speed

Final Drive: chain

Clutch: Wet multi-plate
Final Drive Chain: 530x96
Front Sprocket 16T
Rear Sprocket 37T
Suspension Front: Telescopic Forks
Rear: Swingarm
Brakes Front: single disc
Rear: single disc
Front Tire 3.00-18
Rear Tire 3.50-18
Wheelbase 52.01 inches (1321 mm)
Length 78.5 inches (1994 mm)
Width 29.88 inches (759 mm)
Seat Height 31.5 inches (800 mm)
Weight 175.0 kg (wet)
Recommended Oil Yamalube 10w-40
Fuel Capacity 4.36 Gallon (16.50 Liters)
Related Yamaha RD250LC, Yamaha RD200, Yamaha RD250, Yamaha RD350, Yamaha RD400
Manuals Service Manual

Brochures · Reviews · Ads ·


The Yamaha RD400 was a twin, two-stroke Classic motorcycle produced by Yamaha between 1976 and 1979. It could reach a top speed of 109 mph (175 km/h). Claimed horsepower was 42.11 HP (31.4 KW) @ 7500 RPM.

Engine[edit | edit source]

The engine was a air cooled twin, two-stroke. A 64.0mm bore x 62.0mm stroke result in a displacement of just 399.0 cubic centimeters. Fuel was supplied via a membrane.

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 3.00-18 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 Swingarm. The RD400 was fitted with a 4.36 Gallon (16.50 Liters) fuel tank. The wheelbase was 52.01 inches (1321 mm) long.

1976 RD400-C[edit | edit source]

  • 1976 Yamaha RD400C in Green

  • 1976 Yamaha RD400C in Green

  • 1976 Yamaha RD400C in Green

  • 1976 Yamaha RD400C in Green

  • 1976 Yamaha 1976 RD400C in Red

  • 1976 Yamaha 1976 RD400C in Red

  • 1976 Yamaha 1976 RD400C in Red

  • 1976 Yamaha 1976 RD400C in Red

  • 1976 Yamaha 1976 RD400C in Red


1977 RD400[edit | edit source]

  • 1977 Yamaha RD400 in French Blue

  • 1977 Yamaha RD400 in French Blue

  • 1977 Yamaha RD400 in Blue

  • 1977 Yamaha RD400 in Blue

  • 1977 Yamaha RD400 in Blue

  • 1977 Yamaha RD400 in Blue

  • 1977 Yamaha RD400 in Blue

  • 1977 Yamaha RD400 in Blue

  • 1977 Yamaha RD400 in Blue

  • 1977 Yamaha RD400 in Blue

  • 1977 Yamaha RD400 in Blue

  • 1977 Yamaha RD400 in Red

  • 1977 Yamaha RD400 in Red


1978 RD400[edit | edit source]

  • 1978 Yamaha RD400 in Silver

  • 1978 Yamaha RD400 in Silver

  • 1978 Yamaha RD400 in Silver

  • 1978 Yamaha RD400 in Silver

  • 1978 Yamaha RD400 in Silver

  • 1978 Yamaha RD400 in Silver

  • 1978 Yamaha RD400

  • 1978 Yamaha RD400

  • 1978 Yamaha RD400

  • 1978 Yamaha RD400

  • 1978 Yamaha RD400

1979[edit | edit source]

  • 1979 Yamaha RD400 Daytona Special in White

  • 1979 Yamaha RD400 Daytona Special in White

  • 1979 Yamaha RD400 Daytona Special in White

  • 1979 Yamaha RD400 Daytona Special in White

  • 1979 Yamaha RD400 Daytona Special in White

  • 1979 Yamaha RD400 Daytona Special in White

  • 1979 Yamaha RD400 Daytona Special in White

  • 1979 Yamaha RD400 Daytona Special in White



  • Last year exported to US.

1976 - 1980 Yamaha RD 400[edit | edit source]

  • 1976 - 1980 Yamaha RD 400

  • 1976 - 1980 Yamaha RD 400

  • 1976 - 1980 Yamaha RD 400

The Yamaha RD 400 has already become a classic in its own time. Fully equipped with speedometer, tachometer, hydraulically operated disc brakes on front and rear.


In Media[edit | edit source]


See Also[edit | edit source]

External Links[edit | edit source]

References[edit | edit source]


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