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{{DISPLAYTITLE:{{PAGENAME}}: history, specs, pictures}} | {{DISPLAYTITLE:{{PAGENAME}}: history, specs, pictures}} | ||
{{Infobox Motorcycle | {{Infobox Motorcycle | ||
|name = Yamaha DT250 | |name = '''Yamaha DT250''' | ||
|image = | |image = | ||
|aka = | |aka = DT 250F, DT250F, DT 250 MX, DT 250, DT250MX | ||
|manufacturer = [[Yamaha]] | |manufacturer = [[Yamaha]] | ||
|parent_company = | |parent_company = | ||
|production = | |production = 1972 - 1982 | ||
|model_year = | |model_year = | ||
|predecessor = | |predecessor = | ||
|successor = | |successor = | ||
|class = | |class = [[Trail]] | ||
|engine = | |engine = single cylinder, two-stroke | ||
|bore_stroke = | |bore_stroke = 70.0mm x 64.0mm | ||
|compression = | |compression = | ||
|top_speed = | |top_speed = 68 mph (109 km/h) | ||
|power = | |power = 15.69 HP (11.7 KW) @ 5400RPM | ||
|torque = | |torque = 12.91 ft/lbs (17.5 Nm) @ 6500RPM | ||
|ignition = | |fuel_system = carburetor | ||
|spark_plug = {{sparkplug|BEES}} '74-75 , 76-79 | |ignition = contact breaker point | ||
|battery = {{battery|6N6-3B-1}} 76-79<br />{{battery|6N4B-2A-3}} '74-75 | |spark_plug = {{sparkplug|NGK BEES}} '74-75 , 76-79 | ||
|transmission = | |battery = {{battery|YUASA 6N6-3B-1}} 76-79<br />{{battery|YUASA 6N4B-2A-3}} '74-75 | ||
|frame = | |transmission = Gear box: 5-speed <br> | ||
|suspension = | Final Drive: [[chain]] <br> | ||
|brakes = | Clutch: wet plate <br> | ||
|front_tire = {{tire|3.00-21}} | |||
|rear_tire = {{tire|4.00-18}} | |frame = | ||
|rake_trail = | |suspension = | ||
|wheelbase = | |brakes =Front: expanding [[brake]] <br>Rear: expanding brake | ||
|length = | |front_tire = {{tire|3.00-21}} | ||
|width = | |rear_tire = {{tire|4.00-18}} | ||
|height = | |rake_trail = | ||
|seat_height = | |wheelbase = | ||
|dry_weight = | |length = | ||
|wet_weight = | |width = | ||
|fuel_capacity = | |height = | ||
|oil_capacity = | |seat_height = | ||
|fuel_consumption = | |dry_weight = 244.93 pounds (111.1 Kg) | ||
|turning_radius = | |wet_weight = 135.0 kg | ||
|related = | |fuel_capacity = 2.38 Gallon (9.00 Liters) | ||
|oil_capacity = | |||
|fuel_consumption = 2.50 litres/100 km (40.0 km/l or 94.09 mpg) | |||
|turning_radius = | |||
|related = | |||
|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]] | ||
}} | }} | ||
The '''Yamaha | 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== | ||
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[[Image:1978-Yamaha-DT250E-Silver-716-1.jpg|left|thumb|1978 Yamaha DT250E in Silver]] | [[Image:1978-Yamaha-DT250E-Silver-716-1.jpg|left|thumb|1978 Yamaha DT250E in Silver]] | ||
<br style="clear: left"/> | <br style="clear: left"/> | ||
==In Media== | ==In Media== | ||
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* [https://motopixel.org/pixel/thunder-run#yamaha-dt250 Thunder Run] | * [https://motopixel.org/pixel/thunder-run#yamaha-dt250 Thunder Run] | ||
{{Yamaha}} | |||
[[Category:Yamaha motorcycles|DT250, Yamaha]] | |||
[[Category:Trail motorcycles]] | [[Category:Trail motorcycles]] | ||
[[Category:Yamaha motorcycles]] | [[Category:Yamaha motorcycles]] | ||
[[Category:1970s motorcycles]] | [[Category:1970s motorcycles]] | ||
[[Category:1980s motorcycles]] | [[Category:1980s motorcycles]] | ||