Difference between revisions of "Yamaha DT400"

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[[Category:2-stroke motorcycles]]
[[Category:2-stroke motorcycles]]
[[Category:Reed Inlet Valve motorcycles]]
[[Category:Reed Inlet Valve motorcycles]]
{{Infobox Motorcycle
|name            = '''Yamaha DT400'''
|image            =
|aka              = DT400MX, DT 400 MX, DT 400
|manufacturer    = [[Yamaha]]
|parent_company  =
|production      = 1974 - 1979
|model_year      =
|predecessor      =
|successor        =
|class            = [[Enduro]]
|engine          = single cylinder, two-stroke
|bore_stroke      = 85.0mm x 70.0mm
|compression      = 6.4:1
|top_speed        = 85 mph (136 km/h)
|power            = 20.52 HP (15.3 KW) @ 5600RPM
|torque          = 20.65 ft/lbs (28.0 Nm) @ 3900RPM
|ignition        = cdi
|spark_plug      =
|battery          = 6.4:1
|transmission    = Gear box: 5-speed <br>
Final Drive: [[chain]] <br>
Clutch: Wet multi-discs <br>
|frame            =
|suspension      =Front: Telescopic Forks <br>
Rear: Swinging Arm Fork
|brakes          =Front: expanding [[brake]] <br>Rear: expanding brake
|front_tire      = {{tire|3.00-21}}
|rear_tire    = {{tire|4.00-18}}
|rake_trail      =
|wheelbase        = 55.51 inches (1410 mm)
|length          =
|width            =
|height          =
|seat_height      =
|dry_weight      = 272.05 pounds (123.4 Kg)
|wet_weight      = 141.0 kg
|fuel_capacity    = 2.38 Gallon (9.00 Liters)
|oil_capacity    =
|fuel_consumption =
|turning_radius  =
|related          =
|competition      =
}}
The '''[[Yamaha]] DT400MX''' was a single cylinder, two-stroke Enduro [[motorcycle]] produced by [[Yamaha]] between 1974 and 1979. It could reach a top speed of 85 mph (136 km/h). Max [[torque]] was 20.65 ft/lbs (28.0 Nm) @ 3900 RPM. Claimed [[horsepower]] was 20.52 HP (15.3 KW) @ 5600 RPM. 
==Engine==
The engine was a [[air cooled]] single cylinder, two-stroke. A 85.0mm [[bore]] x 70.0mm [[stroke]] result in a [[displacement]] of just 397.0 cubic centimeters. Fuel was supplied via a membrane. 
==Drive==
The bike has a 5-speed transmission. Power was moderated via the Wet multi-discs. 
==Chassis==
It came with a 3.00-21 front [[tire]] and a 4.00-18 rear tire. Stopping was achieved via expanding brake in the front and a expanding brake in the rear. The front suspension was a  Telescopic Forks while the rear was equipped with a Swinging Arm Fork. The DT400MX was fitted with a 2.38 Gallon (9.00 Liters) fuel tank. The bike weighed just 272.05 pounds (123.4 Kg). The wheelbase was 55.51 inches (1410 mm) long. 
==1974 - 1977 Yamaha DT 400==
[[File:yamaha-dt400-1974-1977-3.jpg|600px|1974 - 1977 Yamaha DT 400]]
[[File:yamaha-dt400-1974-1977-2.jpg|600px|1974 - 1977 Yamaha DT 400]]
[[File:yamaha-dt400-1974-1977-1.jpg|600px|1974 - 1977 Yamaha DT 400]]
[[File:yamaha-dt400-1974-1977-0.jpg|600px|1974 - 1977 Yamaha DT 400]]
This new big-bore 400cc enduro. Go just about anywhere, do just about anything and do it with zip! The DT1 250 had grown up, first to 360 size, and now 400, and had become an extremely seductive machine.
==1978 - 1980 Yamaha DT 400==
[[File:yamaha-dt400-1978-1980-0.jpg|600px|1978 - 1980 Yamaha DT 400]]
The latest Yamaha DT 400 has a new monoshock frame. The DT 400 has a performance capability close to that of the pure motocross machine.
==In Media==
* [https://motopixel.org/pixel/hyena-road#yamaha-dt400 Hyena Road]
* [https://motopixel.org/pixel/cobra#yamaha-dt400 Cobra]
* [https://motopixel.org/pixel/beethovens-2nd#yamaha-dt400 Beethoven's 2nd]
[[Category:Enduro motorcycles]]
[[Category:Yamaha motorcycles]]
[[Category:1970s motorcycles]]
[[Category:Motorcycles needing images]]

Revision as of 15:30, 20 May 2019

Yamaha DT400
Manufacturer Yamaha
Production 75-78
Engine 400cc
Sparkplug B8ES '75-78
Battery 6N6-3B-1 '77-78
6N4B-2A-3 '75-76
Front Tire 3.00-21 '75-78
Rear Tire 4.00-18 '75-78
Manuals Service Manual
Tech Specs · Brochures · Reviews · Ads · Videos
1975 Yamaha DT400

The Yamaha DT400 was single cylinder 360cc dual-purpose motorcycle for off-road and street use motorcycle produced by Yamaha from 1975 to 1978.

The DT400B had all the components for an enduro motorcycle including raised front and rear fenders, good ground clearance, a raised side mounted exhaust system. Stripped down, the DT400B could race in the early motocross races with similar motorcycles.

Major competitors

1975 DT400B

1975 Yamaha DT400B in Blue
1975 Yamaha DT400B in Blue
1975 Yamaha DT400B in Blue
1975 Yamaha DT400B in Blue
1975 Yamaha DT400B in Blue
1975 Yamaha DT400B in Blue
1975 Yamaha DT400B in Yellow
1975 Yamaha DT400B in Yellow
1975 Yamaha DT400B in Yellow
1975 Yamaha DT400B in Yellow
1975 Yamaha DT400B in Yellow
1975 Yamaha DT400B in Yellow
1975 Yamaha DT400 in Yellow
1975 Yamaha DT400 in Yellow
1975 Yamaha DT400 in Yellow


1976 DT400C

1976 Yamaha DT400 in Yellow
1976 Yamaha DT400 in Yellow
1976 Yamaha DT400 in Yellow
1976 Yamaha DT400 in Yellow
1976 Yamaha DT400 in Yellow
1976 Yamaha DT400 in Yellow
1976 Yamaha DT400 in Yellow
1976 Yamaha DT400 in Yellow
1976 Yamaha DT400 in Yellow


  • Starting Engine#: 501-200101

1977 DT400D

  • Starting Engine#: 1M2-000101

1978 DT400E

  • Starting Engine#: 1M2-100101



Yamaha DT400
Manufacturer Yamaha
Also called DT400MX, DT 400 MX, DT 400
Production 1974 - 1979
Class Enduro
Engine single cylinder, two-stroke
Bore / Stroke 85.0mm x 70.0mm
Compression ratio 6.4:1
Top speed 85 mph (136 km/h)
Horse Power 20.52 HP (15.3 KW) @ 5600RPM
Torque 20.65 ft/lbs (28.0 Nm) @ 3900RPM
Ignition type cdi
Battery 6.4:1
Transmission Gear box: 5-speed

Final Drive: chain

Clutch: Wet multi-discs
Suspension Front: Telescopic Forks
Rear: Swinging Arm Fork
Brakes Front: expanding brake
Rear: expanding brake
Front Tire 3.00-21
Rear Tire 4.00-18
Wheelbase 55.51 inches (1410 mm)
Weight 272.05 pounds (123.4 Kg) (dry), 141.0 kg (wet)
Fuel capacity 2.38 Gallon (9.00 Liters)
Manuals Service Manual
Tech Specs · Brochures · Reviews · Ads · Videos

The Yamaha DT400MX was a single cylinder, two-stroke Enduro motorcycle produced by Yamaha between 1974 and 1979. It could reach a top speed of 85 mph (136 km/h). Max torque was 20.65 ft/lbs (28.0 Nm) @ 3900 RPM. Claimed horsepower was 20.52 HP (15.3 KW) @ 5600 RPM.

Engine

The engine was a air cooled single cylinder, two-stroke. A 85.0mm bore x 70.0mm stroke result in a displacement of just 397.0 cubic centimeters. Fuel was supplied via a membrane.

Drive

The bike has a 5-speed transmission. Power was moderated via the Wet multi-discs.

Chassis

It came with a 3.00-21 front tire and a 4.00-18 rear tire. Stopping was achieved via expanding brake in the front and a expanding brake in the rear. The front suspension was a Telescopic Forks while the rear was equipped with a Swinging Arm Fork. The DT400MX was fitted with a 2.38 Gallon (9.00 Liters) fuel tank. The bike weighed just 272.05 pounds (123.4 Kg). The wheelbase was 55.51 inches (1410 mm) long.

1974 - 1977 Yamaha DT 400

1974 - 1977 Yamaha DT 400 1974 - 1977 Yamaha DT 400 1974 - 1977 Yamaha DT 400 1974 - 1977 Yamaha DT 400

This new big-bore 400cc enduro. Go just about anywhere, do just about anything and do it with zip! The DT1 250 had grown up, first to 360 size, and now 400, and had become an extremely seductive machine.


1978 - 1980 Yamaha DT 400

1978 - 1980 Yamaha DT 400

The latest Yamaha DT 400 has a new monoshock frame. The DT 400 has a performance capability close to that of the pure motocross machine.


In Media