Difference between revisions of "Yamaha DT250"
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{{Infobox Motorcycle | {{Infobox Motorcycle | ||
|name = '''Yamaha DT250''' | |name = '''Yamaha DT250''' | ||
|image = | |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]] | |manufacturer = [[Yamaha]] | ||
|parent_company = | |parent_company = | ||
|production = | |production = 1971 - 1982 | ||
|model_year = | |model_year = | ||
|predecessor = | |predecessor = | ||
| Line 61: | Line 61: | ||
==1971== | ==1971== | ||
<gallery mode='packed-hover'> | |||
File:1971-Yamaha-DT250-Orange-2063-0.jpg|left|thumb|1971 Yamaha DT250 in Orange | |||
File:1971-Yamaha-DT250-Orange-2063-1.jpg|left|thumb|1971 Yamaha DT250 in Orange | |||
File:1971-Yamaha-DT250-Orange-2063-2.jpg|left|thumb|1971 Yamaha DT250 in Orange | |||
File:1971-Yamaha-DT250-Orange-2063-3.jpg|left|thumb|1971 Yamaha DT250 in Orange | |||
File:1971-Yamaha-DT250-Orange-2063-4.jpg|left|thumb|1971 Yamaha DT250 in Orange | |||
< | File:1971-Yamaha-DT250-Orange-2063-5.jpg|left|thumb|1971 Yamaha DT250 in Orange | ||
</gallery> | |||
==1972== | ==1972== | ||
<gallery mode='packed-hover'> | |||
File:1972-Yamaha-DT250(DT1F)-Gold-0.jpg|left|thumb|1972 Yamaha DT250 (DT1F) in Gold | |||
File:1972-Yamaha-DT250(DT1F)-Gold-1.jpg|left|thumb|1972 Yamaha DT250 (DT1F) in Gold | |||
File:1972-Yamaha-DT250(DT1F)-Gold-2.jpg|left|thumb|1972 Yamaha DT250 (DT1F) in Gold | |||
File:1972-Yamaha-DT250(DT1F)-Gold-3.jpg|left|thumb|1972 Yamaha DT250 (DT1F) in Gold | |||
File:1972-Yamaha-DT250(DT1F)-Gold-4.jpg|left|thumb|1972 Yamaha DT250 (DT1F) in Gold | |||
</gallery> | |||
<br style="clear: left"/> | <br style="clear: left"/> | ||
==1975 DT250B== | ==1975 DT250B== | ||
<gallery mode='packed-hover'> | |||
File:1975-Yamaha-DT250B-Orange-83-0.jpg|left|thumb|1975 Yamaha DT250B in Orange | |||
File:1975-Yamaha-DT250B-Orange-83-1.jpg|left|thumb|1975 Yamaha DT250B in Orange | |||
File:1975-Yamaha-DT250B-Orange-83-2.jpg|left|thumb|1975 Yamaha DT250B in Orange | |||
File:1975-Yamaha-DT250B-Orange-83-3.jpg|left|thumb|1975 Yamaha DT250B in Orange | |||
File:1975-Yamaha-DT250B-Orange-83-4.jpg|left|thumb|1975 Yamaha DT250B in Orange | |||
File:1975-Yamaha-DT250B-Orange-83-5.jpg|left|thumb|1975 Yamaha DT250B in Orange | |||
File:1975-Yamaha-DT250B-Orange-83-6.jpg|left|thumb|1975 Yamaha DT250B in Orange | |||
</gallery> | |||
<br style="clear: left"/> | <br style="clear: left"/> | ||
==1978== | ==1978== | ||
<gallery mode='packed-hover'> | |||
File:1978-Yamaha-DT250-Gray-0.jpg|left|thumb|1978 Yamaha DT250 in Gray | |||
File:1978-Yamaha-DT250-Gray-1.jpg|left|thumb|1978 Yamaha DT250 in Gray | |||
File:1978-Yamaha-DT250-Gray-2.jpg|left|thumb|1978 Yamaha DT250 in Gray | |||
File:1978-Yamaha-DT250-Gray-3.jpg|left|thumb|1978 Yamaha DT250 in Gray | |||
File:1978-Yamaha-DT250E-Silver-4061-0.jpg|left|thumb|1978 Yamaha DT250E in Silver | |||
File:1978-Yamaha-DT250E-Silver-4061-1.jpg|left|thumb|1978 Yamaha DT250E in Silver | |||
File:1978-Yamaha-DT250E-Silver-4061-2.jpg|left|thumb|1978 Yamaha DT250E in Silver | |||
File:1978-Yamaha-DT250E-Silver-4061-3.jpg|left|thumb|1978 Yamaha DT250E in Silver | |||
File:1978-Yamaha-DT250E-Silver-4061-4.jpg|left|thumb|1978 Yamaha DT250E in Silver | |||
File:1978-Yamaha-DT250E-Silver-4061-5.jpg|left|thumb|1978 Yamaha DT250E in Silver | |||
File:1978-Yamaha-DT250E-Silver-4061-6.jpg|left|thumb|1978 Yamaha DT250E in Silver | |||
File:1978-Yamaha-DT250E-Silver-4061-7.jpg|left|thumb|1978 Yamaha DT250E in Silver | |||
File:1978-Yamaha-DT250E-Silver-4061-8.jpg|left|thumb|1978 Yamaha DT250E in Silver | |||
File:1978-Yamaha-DT250E-Silver-4061-9.jpg|left|thumb|1978 Yamaha DT250E in Silver | |||
File:1978-Yamaha-DT250E-Silver-716-0.jpg|left|thumb|1978 Yamaha DT250E in Silver | |||
File:1978-Yamaha-DT250E-Silver-716-1.jpg|left|thumb|1978 Yamaha DT250E in Silver | |||
</gallery> | |||
<br style="clear: left"/> | <br style="clear: left"/> | ||
Revision as of 14:53, 29 May 2019
 | |
| Manufacturer | Yamaha |
|---|---|
| Also called | DT 250F, DT250F, DT 250 MX, DT 250, DT250MX |
| Production | 1971 - 1982 |
| Class | Trail |
| Engine | single cylinder, two-stroke |
| Bore / Stroke | 70.0mm x 64.0mm |
| Top speed | 68 mph (109 km/h) |
| Horse Power | 15.69 HP (11.7 KW) @ 5400RPM |
| Torque | 12.91 ft/lbs (17.5 Nm) @ 6500RPM |
| Fuel system | carburetor |
| Ignition type | contact breaker point |
| Sparkplug | NGK BEES '74-75 , 76-79 |
| Battery | YUASA 6N6-3B-1 76-79 YUASA 6N4B-2A-3 '74-75 |
| Transmission | Gear box: 5-speed Final Drive: chain |
| Brakes | Front: expanding brake Rear: expanding brake |
| Front Tire | 3.00-21 |
| Rear Tire | 4.00-18 |
| Weight | 244.93 pounds (111.1 Kg) (dry), 135.0 kg (wet) |
| Fuel capacity | 2.38 Gallon (9.00 Liters) |
| Fuel consumption | 2.50 litres/100 km (40.0 km/l or 94.09 mpg) |
| Competition | Harley-Davidson SX250 Kawasaki KE250B Yamaha DT250 Honda XL250 |
| Manuals | Service Manual |
| Tech Specs · Brochures · Reviews · Ads · Videos | |
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
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
The bike has a 5-speed transmission. Power was moderated via the wet plate.
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 DT250MX was fitted with a 2.38 Gallon (9.00 Liters) fuel tank. The bike weighed just 244.93 pounds (111.1 Kg).
1971
1971 Yamaha DT250 in Orange
1971 Yamaha DT250 in Orange
1971 Yamaha DT250 in Orange
1971 Yamaha DT250 in Orange
1971 Yamaha DT250 in Orange
1971 Yamaha DT250 in Orange
1972
1972 Yamaha DT250 (DT1F) in Gold
1972 Yamaha DT250 (DT1F) in Gold
1972 Yamaha DT250 (DT1F) in Gold
1972 Yamaha DT250 (DT1F) in Gold
1972 Yamaha DT250 (DT1F) in Gold
-Gold-0.jpg)
-Gold-1.jpg)
-Gold-2.jpg)
-Gold-3.jpg)
-Gold-4.jpg)
1975 DT250B
1975 Yamaha DT250B in Orange
1975 Yamaha DT250B in Orange
1975 Yamaha DT250B in Orange
1975 Yamaha DT250B in Orange
1975 Yamaha DT250B in Orange
1975 Yamaha DT250B in Orange
1975 Yamaha DT250B in Orange
1978
1978 Yamaha DT250 in Gray
1978 Yamaha DT250 in Gray
1978 Yamaha DT250 in Gray
1978 Yamaha DT250 in Gray
1978 Yamaha DT250E in Silver
1978 Yamaha DT250E in Silver
1978 Yamaha DT250E in Silver
1978 Yamaha DT250E in Silver
1978 Yamaha DT250E in Silver
1978 Yamaha DT250E in Silver
1978 Yamaha DT250E in Silver
1978 Yamaha DT250E in Silver
1978 Yamaha DT250E in Silver
1978 Yamaha DT250E in Silver
1978 Yamaha DT250E in Silver
1978 Yamaha DT250E in Silver
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