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{{Motorcycle
The [[Yamaha]] '''IT250H''' is a 175[[cc]], [[single cylinder]], [[two stroke]], [[reed valve]], [[motocross motorcycle]] manufactured by [[Yamaha]] and was produced in 1981.
|name            = Yamaha IT250
|photo= yamaha-it250-1980-1983-4.jpg
|aka              = IT250E, IT 250 E, IT 250
|manufacturer    = Yamaha
|parent_company  =
|production      = 1978 - 1982
|model_year      =
|predecessor      =
|successor        =
|class            = Enduro
|engine          = 250cc single cylinder, two-stroke
|bore_stroke      = 71.1mm x 71.1mm
|compression      = 7.9:1
|top_speed        = 68 mph (110 km/h)
|power            = 10.06 HP (7.5 KW) @ 5500RPM
|torque          = 10.33 ft/lbs (14.0 Nm) @ 5500RPM
|ignition        = cdi
|spark_plug      = {{sparkplug|NGK B9EV}} '77 , '78 , '79 , '80 , '83<br />{{sparkplug|NGK B9EGV}} '81-82
|battery          =
|transmission    = Gear box: 6-speed <br>
Final Drive: [[chain]] <br>
Clutch: wet plate <br>


|frame            =
It has a 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.
|suspension      =Front: conventional forks <br>
Rear: mono-x triangular swingarm
|brakes          =Front: expanding [[brake]] (drum brake). cable <br>Rear: expanding brake (drum brake). mechanical link
|front_tire      = {{tire|3.00-21}} '77 , '78 , '79 , '80 , '81-82 , '83
|rear_tire    = {{tire|140/80-18}} '83<br />{{tire|6705}} '80 , '81-82<br />{{tire|4.50-18}} '77 , '78 , '79
|rake_trail      =
|wheelbase        = 57.09 inches (1450 mm)
|length          = 86.81 inches (2205 mm)
|width            = 35.0 inches (889 mm)
|height          =
|seat_height      = 36.42 inches (925 mm)
|dry_weight      = 246.04 pounds (111.6 Kg)
|wet_weight      = 95.3 kg
|fuel_capacity    = 3.2 Gallon (12.11 Liters)
|oil_capacity    =
|recommended_oil= Yamalube 10w-40
|fuel_consumption = 3.92 liters/100 km (25.5 km/l or 60.01 mpg)
|turning_radius  =
|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]]
|competition      =
|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>
|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>
|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>
}}


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. 
==Engine==
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. 
==Frame==
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.
==Drive==
The bike has a 6-speed transmission. Power was moderated via the wet plate. 
==Chassis==
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. 
==1980 - 1983 Yamaha IT 250==
<gallery mode="slideshow">
File:yamaha-it250-1980-1983-4.jpg|600px|1980 - 1983 Yamaha IT 250
File:yamaha-it250-1980-1983-3.jpg|600px|1980 - 1983 Yamaha IT 250
File:yamaha-it250-1980-1983-2.jpg|600px|1980 - 1983 Yamaha IT 250
File:yamaha-it250-1980-1983-1.jpg|600px|1980 - 1983 Yamaha IT 250
File:yamaha-it250-1980-1983-0.jpg|600px|1980 - 1983 Yamaha IT 250
</gallery>
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.
==In Media==
* [https://motopixel.org/pixel/lexecutrice#yamaha-it250 L'exécutrice]
* [https://motopixel.org/pixel/lie-mo-zhe#yamaha-it250 Lie mo zhe]
* [https://motopixel.org/pixel/empire-of-ash#yamaha-it250 Empire of Ash]
* [https://motopixel.org/pixel/die-ludolfs-4-bruder-aufm-schrottplatz#yamaha-it250 Die Ludolfs - 4 Brüder auf'm Schrottplatz]
* [https://motopixel.org/pixel/skeeter#yamaha-it250 Skeeter]
* [https://motopixel.org/pixel/wonder-woman#yamaha-it250 Wonder Woman]


[[List of Yamaha motorcycles]]
[[List of Yamaha motorcycles]]
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*[[Yamaha TT250]]
*[[Yamaha TT250]]
*[[User:Ronbuell|Ronbuell's Hybrid IT250/TT250]]
*[[User:Ronbuell|Ronbuell's Hybrid IT250/TT250]]
==References==
{{reflist}}
{{motorcycle-stub}}
{{motorcycle-stub}}
{{Yamaha}}
{{Yamaha}}
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[[Category:2-stroke motorcycles]]
[[Category:2-stroke motorcycles]]
[[Category:Yamaha IT series]]
[[Category:Yamaha IT series]]
[[Category:1970s motorcycles]]
[[Category:1980s motorcycles]]

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