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| {{DISPLAYTITLE:{{PAGENAME}}: history, specs, pictures}}
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| {{Motorcycle
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| |name = Yamaha DT250
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| |photo= 1971-Yamaha-DT250-Orange-2063-1.jpg
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| |aka = DT 250F, DT250F, DT 250 MX, DT 250, DT250MX
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| |manufacturer = Yamaha
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| |parent_company =
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| |production = 1971 - 1982
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| |model_year =
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| |predecessor =
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| |successor =
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| |class = Dual purpose
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| |engine = single cylinder, two-stroke
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| |bore_stroke = 70.0mm x 64.0mm
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| |compression =
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| |top_speed = 68 mph (109 km/h)
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| |power = 15.69 HP (11.7 KW) @ 5400RPM
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| |torque = 12.91 ft/lbs (17.5 Nm) @ 6500RPM
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| |fuel_system = carburetor
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| |ignition = contact breaker point
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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>
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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"/>
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| |transmission = Gear box: 5-speed <br>
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| Final Drive: [[chain]] <br>
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| Clutch: wet plate <br>
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| |final_drive = {{chain|520x}}
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| |frame =
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| |suspension =
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| |brakes =Front: expanding [[brake]] <br>Rear: expanding brake
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| |front_tire = {{tire|3.00-21}} <ref name="wps_street_2019"/>
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| |rear_tire = {{tire|4.00-18}} <ref name="wps_street_2019"/>
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| |rake_trail =
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| |wheelbase =
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| |length =
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| |width =
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| |height =
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| |seat_height =
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| |dry_weight = 244.93 pounds (111.1 Kg)
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| |wet_weight = 135.0 kg
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| |fuel_capacity = 2.38 Gallon (9.00 Liters)
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| |oil_capacity =
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| |recommended_oil= Yamalube 10w-40
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| |fuel_consumption = 2.50 liters/100 km (40.0 km/l or 94.09 mpg)
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| |turning_radius =
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| |value = $1,000 - $5,000
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| |related = [[Yamaha DT125]]
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| |competition = [[Harley-Davidson SX250]]<br />[[Kawasaki KE250B]]<br />[[Yamaha DT250]]<br />[[Honda XL250]]
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| }}
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| 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.
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| ==Engine==
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| 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.
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| ==Drive==
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| The bike has a 5-speed transmission. Power was moderated via the wet plate.
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| ==Chassis==
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| 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).
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| ==1971==
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| <gallery mode='packed-hover'>
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| File:1971-Yamaha-DT250-Orange-2063-0.jpg|left|thumb|1971 Yamaha DT250 in Orange
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| File:1971-Yamaha-DT250-Orange-2063-1.jpg|left|thumb|1971 Yamaha DT250 in Orange
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| File:1971-Yamaha-DT250-Orange-2063-2.jpg|left|thumb|1971 Yamaha DT250 in Orange
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| File:1971-Yamaha-DT250-Orange-2063-3.jpg|left|thumb|1971 Yamaha DT250 in Orange
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| File:1971-Yamaha-DT250-Orange-2063-4.jpg|left|thumb|1971 Yamaha DT250 in Orange
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| File:1971-Yamaha-DT250-Orange-2063-5.jpg|left|thumb|1971 Yamaha DT250 in Orange
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| </gallery>
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| ==1972== | | ==1972== |
| <gallery mode='packed-hover'>
| | [[Image:1972-Yamaha-DT250(DT1F)-Gold-0.jpg|left|thumb|1972 Yamaha DT250 (DT1F) in Gold]][[Image:1972-Yamaha-DT250(DT1F)-Gold-1.jpg|left|thumb|1972 Yamaha DT250 (DT1F) in Gold]][[Image:1972-Yamaha-DT250(DT1F)-Gold-2.jpg|left|thumb|1972 Yamaha DT250 (DT1F) in Gold]][[Image:1972-Yamaha-DT250(DT1F)-Gold-3.jpg|left|thumb|1972 Yamaha DT250 (DT1F) in Gold]][[Image:1972-Yamaha-DT250(DT1F)-Gold-4.jpg|left|thumb|1972 Yamaha DT250 (DT1F) in Gold]] |
| File:1972-Yamaha-DT250(DT1F)-Gold-0.jpg|left|thumb|1972 Yamaha DT250 (DT1F) in Gold
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| File:1972-Yamaha-DT250(DT1F)-Gold-1.jpg|left|thumb|1972 Yamaha DT250 (DT1F) in Gold
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| File:1972-Yamaha-DT250(DT1F)-Gold-2.jpg|left|thumb|1972 Yamaha DT250 (DT1F) in Gold
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| File:1972-Yamaha-DT250(DT1F)-Gold-3.jpg|left|thumb|1972 Yamaha DT250 (DT1F) in Gold
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| File:1972-Yamaha-DT250(DT1F)-Gold-4.jpg|left|thumb|1972 Yamaha DT250 (DT1F) in Gold
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| </gallery>
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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
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| File:1973-yamaha-dt250-3.jpg|1973 Yamaha DT250
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| </gallery>
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| VIN: 450-002XXX
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| ==1975 DT250B== | | ==1975 DT250B== |
| <gallery mode='packed-hover'>
| | [[Image:1975-Yamaha-DT250B-Orange-83-0.jpg|left|thumb|1975 Yamaha DT250B in Orange]][[Image:1975-Yamaha-DT250B-Orange-83-1.jpg|left|thumb|1975 Yamaha DT250B in Orange]][[Image:1975-Yamaha-DT250B-Orange-83-2.jpg|left|thumb|1975 Yamaha DT250B in Orange]][[Image:1975-Yamaha-DT250B-Orange-83-3.jpg|left|thumb|1975 Yamaha DT250B in Orange]][[Image:1975-Yamaha-DT250B-Orange-83-4.jpg|left|thumb|1975 Yamaha DT250B in Orange]][[Image:1975-Yamaha-DT250B-Orange-83-5.jpg|left|thumb|1975 Yamaha DT250B in Orange]][[Image:1975-Yamaha-DT250B-Orange-83-6.jpg|left|thumb|1975 Yamaha DT250B in Orange]] |
| File:1975-Yamaha-DT250B-Orange-83-0.jpg|left|thumb|1975 Yamaha DT250B in Orange
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| File:1975-Yamaha-DT250B-Orange-83-1.jpg|left|thumb|1975 Yamaha DT250B in Orange
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| File:1975-Yamaha-DT250B-Orange-83-2.jpg|left|thumb|1975 Yamaha DT250B in Orange
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| File:1975-Yamaha-DT250B-Orange-83-3.jpg|left|thumb|1975 Yamaha DT250B in Orange
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| File:1975-Yamaha-DT250B-Orange-83-4.jpg|left|thumb|1975 Yamaha DT250B in Orange
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| File:1975-Yamaha-DT250B-Orange-83-5.jpg|left|thumb|1975 Yamaha DT250B in Orange
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| File:1975-Yamaha-DT250B-Orange-83-6.jpg|left|thumb|1975 Yamaha DT250B in Orange
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| </gallery>
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| <br style="clear: left"/> | | <br style="clear: left"/> |
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| ==1976 DT250C==
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| <gallery mode='slideshow'>
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| File:1976-yamaha-dt250c-0.jpg|1976 Yamaha DT250C
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| File:1976-yamaha-dt250c-1.jpg|1976 Yamaha DT250C
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| File:1976-yamaha-dt250c-2.jpg|1976 Yamaha DT250C
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| File:1976-yamaha-dt250c-3.jpg|1976 Yamaha DT250C
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| File:1976-yamaha-dt250c-4.jpg|1976 Yamaha DT250C
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| File:1976-yamaha-dt250c-5.jpg|1976 Yamaha DT250C
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| </gallery>
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| ==1978== | | ==1978== |
| <gallery mode='packed-hover'>
| | [[Image:1978-Yamaha-DT250-Gray-0.jpg|left|thumb|1978 Yamaha DT250 in Gray]][[Image:1978-Yamaha-DT250-Gray-1.jpg|left|thumb|1978 Yamaha DT250 in Gray]][[Image:1978-Yamaha-DT250-Gray-2.jpg|left|thumb|1978 Yamaha DT250 in Gray]][[Image:1978-Yamaha-DT250-Gray-3.jpg|left|thumb|1978 Yamaha DT250 in Gray]] |
| File:1978-Yamaha-DT250-Gray-0.jpg|left|thumb|1978 Yamaha DT250 in Gray
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| File:1978-Yamaha-DT250-Gray-1.jpg|left|thumb|1978 Yamaha DT250 in Gray
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| File:1978-Yamaha-DT250-Gray-2.jpg|left|thumb|1978 Yamaha DT250 in Gray
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| File:1978-Yamaha-DT250-Gray-3.jpg|left|thumb|1978 Yamaha DT250 in Gray
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| File:1978-Yamaha-DT250E-Silver-4061-0.jpg|left|thumb|1978 Yamaha DT250E in Silver
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| File:1978-Yamaha-DT250E-Silver-4061-1.jpg|left|thumb|1978 Yamaha DT250E in Silver
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| File:1978-Yamaha-DT250E-Silver-4061-2.jpg|left|thumb|1978 Yamaha DT250E in Silver
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| File:1978-Yamaha-DT250E-Silver-4061-3.jpg|left|thumb|1978 Yamaha DT250E in Silver
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| File:1978-Yamaha-DT250E-Silver-4061-4.jpg|left|thumb|1978 Yamaha DT250E in Silver
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| File:1978-Yamaha-DT250E-Silver-4061-5.jpg|left|thumb|1978 Yamaha DT250E in Silver
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| File:1978-Yamaha-DT250E-Silver-4061-6.jpg|left|thumb|1978 Yamaha DT250E in Silver
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| File:1978-Yamaha-DT250E-Silver-4061-7.jpg|left|thumb|1978 Yamaha DT250E in Silver
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| File:1978-Yamaha-DT250E-Silver-4061-8.jpg|left|thumb|1978 Yamaha DT250E in Silver
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| File:1978-Yamaha-DT250E-Silver-4061-9.jpg|left|thumb|1978 Yamaha DT250E in Silver
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| File:1978-Yamaha-DT250E-Silver-716-0.jpg|left|thumb|1978 Yamaha DT250E in Silver
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| File:1978-Yamaha-DT250E-Silver-716-1.jpg|left|thumb|1978 Yamaha DT250E in Silver
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| </gallery>
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| <br style="clear: left"/> | | <br style="clear: left"/> |
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| ==In Media==
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| * [https://motopixel.org/pixel/bergerac#yamaha-dt250 Bergerac]
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| * [https://motopixel.org/pixel/die-kumpel#yamaha-dt250 Die Kumpel]
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| * [https://motopixel.org/pixel/wolfsfahrte#yamaha-dt250 Wolfsfährte]
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| * [https://motopixel.org/pixel/cobra#yamaha-dt250 Cobra]
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| * [https://motopixel.org/pixel/marie-brand-und-die-schatten-der-vergangenheit#yamaha-dt250 Marie Brand und die Schatten der Vergangenheit]
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| * [https://motopixel.org/pixel/anchorman-2-the-legend-continues#yamaha-dt250 Anchorman 2: The Legend Continues]
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| * [https://motopixel.org/pixel/chips-2#yamaha-dt250 CHiPs]
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| * [https://motopixel.org/pixel/vanishing-point-2#yamaha-dt250 Vanishing Point]
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| * [https://motopixel.org/pixel/agent-vinod#yamaha-dt250 Agent Vinod]
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| * [https://motopixel.org/pixel/the-new-avengers#yamaha-dt250 The New Avengers]
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| * [https://motopixel.org/pixel/gran-torino#yamaha-dt250 Gran Torino]
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| * [https://motopixel.org/pixel/dian-dan-che#yamaha-dt250 Dian dan che]
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| * [https://motopixel.org/pixel/moeru-yusha#yamaha-dt250 Moeru yusha]
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| * [https://motopixel.org/pixel/kid-colter#yamaha-dt250 Kid Colter]
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| * [https://motopixel.org/pixel/contra-conspiracy#yamaha-dt250 Contra Conspiracy]
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| * [https://motopixel.org/pixel/wild-geese-ii#yamaha-dt250 Wild Geese II]
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| * [https://motopixel.org/pixel/inugami-no-tatari#yamaha-dt250 Inugami no tatari]
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| * [https://motopixel.org/pixel/thunder-run#yamaha-dt250 Thunder Run]
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| ==References==
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| {{reflist}}
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| {{Yamaha}}
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| [[Category:Yamaha motorcycles|DT250, Yamaha]] | | [[Category:Yamaha motorcycles|DT250, Yamaha]] |
| [[Category:Dual purpose motorcycles]]
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| [[Category:1970s motorcycles]]
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| [[Category:1980s motorcycles]]
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