Difference between revisions of "Yamaha DT250"

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m (Bot: Replacing category Dual sport motorcycles with Dual purpose motorcycles)
 
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{{DISPLAYTITLE:{{PAGENAME}}: history, specs, pictures}}
 
{{DISPLAYTITLE:{{PAGENAME}}: history, specs, pictures}}
 
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{{Motorcycle
{{Infobox Motorcycle
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|name            = Yamaha DT250
|name            = '''Yamaha DT250'''
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|photo= 1971-Yamaha-DT250-Orange-2063-1.jpg
|image            = [[File:1971-Yamaha-DT250-Orange-2063-1.jpg|frameless|1971 Yamaha DT250 in Orange]]
 
 
|aka              = DT 250F, DT250F, DT 250 MX, DT 250, DT250MX
 
|aka              = DT 250F, DT250F, DT 250 MX, DT 250, DT250MX
|manufacturer    = [[Yamaha]]
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|manufacturer    = Yamaha
 
|parent_company  =
 
|parent_company  =
 
|production      = 1971 - 1982
 
|production      = 1971 - 1982
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|predecessor      =
 
|predecessor      =
 
|successor        =
 
|successor        =
|class            = [[Dual sport]]
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|class            = Dual purpose
 
|engine          = single cylinder, two-stroke
 
|engine          = single cylinder, two-stroke
 
|bore_stroke      = 70.0mm x 64.0mm
 
|bore_stroke      = 70.0mm x 64.0mm
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|fuel_system      = carburetor
 
|fuel_system      = carburetor
 
|ignition        = contact breaker point
 
|ignition        = contact breaker point
|spark_plug      = {{sparkplug|NGK BEES}} '74-75 , 76-79
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|spark_plug      = {{sparkplug|NGK B8ES}} '74-79 <ref name="wps_street_2019">{{cite book|title=2019 Western Power Sports Catalog|publisher=[https://www.wps-inc.com/catalogs Western Power Sports]|date=2019}}</ref>
|battery          = {{battery|YUASA 6N6-3B-1}} 76-79<br />{{battery|YUASA 6N4B-2A-3}} '74-75
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|battery          = {{battery|YUASA 6N4B-2A-3}} '74-75<br />{{battery|YUASA 6N6-3B-1}} 76-79  <ref name="wps_street_2019"/>
 
|transmission    = Gear box: 5-speed <br>
 
|transmission    = Gear box: 5-speed <br>
 
Final Drive: [[chain]] <br>
 
Final Drive: [[chain]] <br>
 
Clutch: wet plate <br>
 
Clutch: wet plate <br>
 
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|final_drive      = {{chain|520x}}
 
|frame            =
 
|frame            =
 
|suspension      =
 
|suspension      =
 
|brakes          =Front: expanding [[brake]] <br>Rear: expanding brake
 
|brakes          =Front: expanding [[brake]] <br>Rear: expanding brake
|front_tire      = {{tire|3.00-21}}  
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|front_tire      = {{tire|3.00-21}} <ref name="wps_street_2019"/>
|rear_tire    = {{tire|4.00-18}}  
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|rear_tire    = {{tire|4.00-18}} <ref name="wps_street_2019"/>
 
|rake_trail      =
 
|rake_trail      =
 
|wheelbase        =
 
|wheelbase        =
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|fuel_capacity    = 2.38 Gallon (9.00 Liters)
 
|fuel_capacity    = 2.38 Gallon (9.00 Liters)
 
|oil_capacity    =
 
|oil_capacity    =
|fuel_consumption = 2.50 litres/100 km (40.0 km/l or 94.09 mpg)
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|recommended_oil= Yamalube 10w-40
 +
|fuel_consumption = 2.50 liters/100 km (40.0 km/l or 94.09 mpg)
 
|turning_radius  =
 
|turning_radius  =
 +
|value            = $1,000 - $5,000
 
|related          = [[Yamaha DT125]]
 
|related          = [[Yamaha DT125]]
 
|competition      = [[Harley-Davidson SX250]]<br />[[Kawasaki KE250B]]<br />[[Yamaha DT250]]<br />[[Honda XL250]]
 
|competition      = [[Harley-Davidson SX250]]<br />[[Kawasaki KE250B]]<br />[[Yamaha DT250]]<br />[[Honda XL250]]
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<br style="clear: left"/>
 
<br style="clear: left"/>
  
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==1973 DT250==
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<gallery mode='packed-hover'>
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File:1973-yamaha-dt250-0.jpg|1973 Yamaha DT250
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File:1973-yamaha-dt250-1.jpg|1973 Yamaha DT250
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File:1973-yamaha-dt250-2.jpg|1973 Yamaha DT250
 +
File:1973-yamaha-dt250-3.jpg|1973 Yamaha DT250
 +
</gallery>
 +
VIN: 450-002XXX
  
 
==1975 DT250B==
 
==1975 DT250B==
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<br style="clear: left"/>
 
<br style="clear: left"/>
  
 +
==1976 DT250C==
 +
 +
<gallery mode='slideshow'>
 +
File:1976-yamaha-dt250c-0.jpg|1976 Yamaha DT250C
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File:1976-yamaha-dt250c-1.jpg|1976 Yamaha DT250C
 +
File:1976-yamaha-dt250c-2.jpg|1976 Yamaha DT250C
 +
File:1976-yamaha-dt250c-3.jpg|1976 Yamaha DT250C
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File:1976-yamaha-dt250c-4.jpg|1976 Yamaha DT250C
 +
File:1976-yamaha-dt250c-5.jpg|1976 Yamaha DT250C
 +
</gallery>
 
==1978==
 
==1978==
 
<gallery mode='packed-hover'>
 
<gallery mode='packed-hover'>
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* [https://motopixel.org/pixel/inugami-no-tatari#yamaha-dt250 Inugami no tatari]
 
* [https://motopixel.org/pixel/inugami-no-tatari#yamaha-dt250 Inugami no tatari]
 
* [https://motopixel.org/pixel/thunder-run#yamaha-dt250 Thunder Run]
 
* [https://motopixel.org/pixel/thunder-run#yamaha-dt250 Thunder Run]
 +
 +
==References==
 +
{{reflist}}
  
 
{{Yamaha}}
 
{{Yamaha}}

Latest revision as of 04:30, 2 December 2019

1971-Yamaha-DT250-Orange-2063-1.jpg
Yamaha DT250
Manufacturer
Also called DT 250F, DT250F, DT 250 MX, DT 250, DT250MX
Production 1971 - 1982
Class Dual purpose
Engine
single cylinder, two-stroke
Bore / Stroke 70.0mm x 64.0mm
Top Speed 68 mph (109 km/h)
Horsepower 15.69 HP (11.7 KW) @ 5400RPM
Torque 12.91 ft/lbs (17.5 Nm) @ 6500RPM
Fuel System carburetor
Ignition contact breaker point
Spark Plug NGK B8ES '74-79 [1]
Battery YUASA 6N4B-2A-3 '74-75
YUASA 6N6-3B-1 76-79 [1]
Transmission Gear box: 5-speed

Final Drive: chain

Clutch: wet plate
Final Drive Chain: 520x
Brakes Front: expanding brake
Rear: expanding brake
Front Tire 3.00-21 [1]
Rear Tire 4.00-18 [1]
Weight 244.93 pounds (111.1 Kg) (dry), 135.0 kg (wet)
Recommended Oil Yamalube 10w-40
Fuel Capacity 2.38 Gallon (9.00 Liters)
Fuel Consumption 2.50 liters/100 km (40.0 km/l or 94.09 mpg)
Related Yamaha DT125
Competition Harley-Davidson SX250
Kawasaki KE250B
Yamaha DT250
Honda XL250
Value $1,000 - $5,000
Manuals Service Manual


The Yamaha DT250MX was a single cylinder, two-stroke Trail motorcycle produced by Yamaha between 1972 and 1982. It could reach a top speed of 68 mph (109 km/h). Max torque was 12.91 ft/lbs (17.5 Nm) @ 6500 RPM. Claimed horsepower was 15.69 HP (11.7 KW) @ 5400 RPM.

Engine[edit]

The engine was a air cooled single cylinder, two-stroke. A 70.0mm bore x 64.0mm stroke result in a displacement of just 246.0 cubic centimeters. Fuel was supplied via a membrane.

Drive[edit]

The bike has a 5-speed transmission. Power was moderated via the wet plate.

Chassis[edit]

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 DT250MX was fitted with a 2.38 Gallon (9.00 Liters) fuel tank. The bike weighed just 244.93 pounds (111.1 Kg).


1971[edit]


1972[edit]


1973 DT250[edit]

VIN: 450-002XXX

1975 DT250B[edit]


1976 DT250C[edit]

1978[edit]



In Media[edit]

References[edit]

  1. 1.0 1.1 1.2 1.3 2019 Western Power Sports Catalog. Western Power Sports. 2019.