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| {{Motorcycle
| | The [[Yamaha Motor Corporation|Yamaha]] '''IT250H''' was produced in 1981. It has an air-cooled single cylinder [[two-stroke engine]] with six speed [[gearbox]]. Suspension is 32mm front forks, with monoshock and aluminium [[swingarm]] at the rear. The IT was made for enduro use, although it was used with success for trail riding and [[motocross]]. |
| |name = Yamaha IT250 | |
| |photo= yamaha-it250-1980-1983-4.jpg
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| |aka = IT250E, IT 250 E, IT 250
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| |manufacturer = Yamaha
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| |parent_company =
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| |production = 1978 - 1982
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| |model_year =
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| |predecessor =
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| |successor =
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| |class = Enduro
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| |engine = 250cc single cylinder, two-stroke
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| |bore_stroke = 71.1mm x 71.1mm
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| |compression = 7.9:1
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| |top_speed = 68 mph (110 km/h)
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| |power = 10.06 HP (7.5 KW) @ 5500RPM
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| |torque = 10.33 ft/lbs (14.0 Nm) @ 5500RPM
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| |ignition = cdi
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| |spark_plug = {{sparkplug|NGK B9EV}} '77 , '78 , '79 , '80 , '83<br />{{sparkplug|NGK B9EGV}} '81-82
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| |battery =
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| |transmission = Gear box: 6-speed <br>
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| Final Drive: [[chain]] <br>
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| Clutch: wet plate <br>
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| |frame =
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| |suspension =Front: conventional forks <br>
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| Rear: mono-x triangular swingarm
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| |brakes =Front: expanding [[brake]] (drum brake). cable <br>Rear: expanding brake (drum brake). mechanical link
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| |front_tire = {{tire|3.00-21}} '77 , '78 , '79 , '80 , '81-82 , '83
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| |rear_tire = {{tire|140/80-18}} '83<br />{{tire|6705}} '80 , '81-82<br />{{tire|4.50-18}} '77 , '78 , '79
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| |rake_trail =
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| |wheelbase = 57.09 inches (1450 mm)
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| |length = 86.81 inches (2205 mm)
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| |width = 35.0 inches (889 mm)
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| |height =
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| |seat_height = 36.42 inches (925 mm)
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| |dry_weight = 246.04 pounds (111.6 Kg)
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| |wet_weight = 95.3 kg
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| |fuel_capacity = 3.2 Gallon (12.11 Liters)
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| |oil_capacity =
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| |recommended_oil= Yamalube 10w-40
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| |fuel_consumption = 3.92 liters/100 km (25.5 km/l or 60.01 mpg)
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| |turning_radius =
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| |related = [[Yamaha IT125]]<br /> [[Yamaha IT175]]<br /> [[Yamaha IT200]]<br /> [[Yamaha IT250]]<br /> [[Yamaha IT350]]<br /> [[Yamaha IT400]]<br /> [[Yamaha IT425]]<br /> [[Yamaha IT490]]<br /> [[Yamaha IT500]]<br /> [[Yamaha TT250]]
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| |competition =
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| |final_drive= {{chain|520x104}} ‘77<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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| |front_sprocket= 13T ‘77<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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| |rear_sprocket= 46T ‘77<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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| }}
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| The '''[[Yamaha]] IT250''' was a is a 175[[cc]], [[single cylinder]], [[two stroke]], [[reed valve]], [[motocross motorcycle]] manufactured by [[Yamaha]] between 1978 and 1982. It could reach a top speed of 68 mph (110 km/h). Max [[torque]] was 10.33 ft/lbs (14.0 Nm) @ 5500 RPM. Claimed [[horsepower]] was 10.06 HP (7.5 KW) @ 5500 RPM.
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| ==Engine==
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| The engine was a [[air cooled]] single cylinder, two-stroke. A 71.1mm [[bore]] x 71.1mm [[stroke]] result in a [[displacement]] of just 247.0 cubic centimeters. Fuel was supplied via a membrane.
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|
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| ==Frame==
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| It has a six speed [[gearbox]], suspension is 32mm front forks, with monoshock and aluminum [[swingarm]] at the rear. The IT was made for enduro use, although it was used with success for trail riding and motocross.
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|
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| ==Drive==
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| The bike has a 6-speed transmission. Power was moderated via the wet plate.
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| ==Chassis==
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| It came with a -21 front [[tire]] and a -18 rear tire. Stopping was achieved via expanding brake (drum brake). cable in the front and a expanding brake (drum brake). mechanical link in the rear. The front suspension was a conventional forks while the rear was equipped with a mono-x triangular swingarm. The IT250 was fitted with a 3.2 Gallon (12.11 Liters) fuel tank. The bike weighed just 246.04 pounds (111.6 Kg). The wheelbase was 57.09 inches (1450 mm) long.
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| ==1980 - 1983 Yamaha IT 250==
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| <gallery mode="slideshow">
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| File:yamaha-it250-1980-1983-4.jpg|600px|1980 - 1983 Yamaha IT 250
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| File:yamaha-it250-1980-1983-3.jpg|600px|1980 - 1983 Yamaha IT 250
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| File:yamaha-it250-1980-1983-2.jpg|600px|1980 - 1983 Yamaha IT 250
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| File:yamaha-it250-1980-1983-1.jpg|600px|1980 - 1983 Yamaha IT 250
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| File:yamaha-it250-1980-1983-0.jpg|600px|1980 - 1983 Yamaha IT 250
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| </gallery>
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|
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| Based on the all-conquering [[:Category:Yamaha YZ series|YZ motocrossers]], the IT 250 uses such high-tech innovations as YEIS, capacitor discharge ignition, a chrome-moly double-cradle frame and Yamaha`s exclusive Monoshock suspension.
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| ==In Media==
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| * [https://motopixel.org/pixel/lexecutrice#yamaha-it250 L'exécutrice]
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| * [https://motopixel.org/pixel/lie-mo-zhe#yamaha-it250 Lie mo zhe]
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| * [https://motopixel.org/pixel/empire-of-ash#yamaha-it250 Empire of Ash]
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| * [https://motopixel.org/pixel/die-ludolfs-4-bruder-aufm-schrottplatz#yamaha-it250 Die Ludolfs - 4 Brüder auf'm Schrottplatz]
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| * [https://motopixel.org/pixel/skeeter#yamaha-it250 Skeeter]
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| * [https://motopixel.org/pixel/wonder-woman#yamaha-it250 Wonder Woman]
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|
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| [[List of Yamaha motorcycles]]
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| ==See Also== | | ==See Also== |
| *[[Yamaha TT250]]
| | *[[User:Ronbuell|Ronbuell's Hyrbrid IT250/TT250]] |
| *[[User:Ronbuell|Ronbuell's Hybrid IT250/TT250]] | |
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| ==References==
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| {{reflist}}
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| | [[Category:Yamaha motorcycles|IT250H]] |
| {{motorcycle-stub}} | | {{motorcycle-stub}} |
| {{Yamaha}}
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|
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| [[Category:Yamaha motorcycles|IT250H]]
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| [[Category:1980s motorcycles]]
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| [[Category:Motocross motorcycles]]
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| [[Category:250cc displacement motorcycles]]
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| [[Category:250cc 2-stroke motorcycles]]
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| [[Category:250cc Single cylinder motorcycles]]
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| [[Category:Single cylinder motorcycles]]
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| [[Category:Single cylinder 2-stroke motorcycles]]
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| [[Category:2-stroke motorcycles]]
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| [[Category:Yamaha IT series]]
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| [[Category:1970s motorcycles]]
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| [[Category:1980s motorcycles]]
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