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{{Motorcycle | |||
|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 = | |||
|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]] | |||
==See Also== | ==See Also== | ||
*[[Yamaha TT250]] | *[[Yamaha TT250]] | ||
*[[User:Ronbuell|Ronbuell's Hybrid IT250/TT250]] | *[[User:Ronbuell|Ronbuell's Hybrid IT250/TT250]] | ||
==References== | |||
{{reflist}} | |||
{{motorcycle-stub}} | |||
{{Yamaha}} | |||
[[Category:Yamaha motorcycles|IT250H]] | [[Category:Yamaha motorcycles|IT250H]] | ||
[[Category:1980s motorcycles]] | |||
[[Category:Motocross motorcycles]] | |||
[[Category:250cc displacement motorcycles]] | |||
[[Category:250cc 2-stroke motorcycles]] | |||
[[Category:250cc Single cylinder motorcycles]] | |||
[[Category:Single cylinder motorcycles]] | |||
[[Category:Single cylinder 2-stroke motorcycles]] | |||
[[Category:2-stroke motorcycles]] | |||
[[Category:Yamaha IT series]] | |||
[[Category:1970s motorcycles]] | |||
[[Category:1980s motorcycles]] |