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|photo            = 2001 Yamaha YZ250F right profile.jpg
|photo            = 2001 Yamaha YZ250F right profile.jpg
|aka              =  
|aka              =  
|manufacturer    = Yamaha
|manufacturer    = [[Yamaha]]
|parent_company  =  
|parent_company  =  
|production      = 2001 - 2019
|production      = 2001 - 2019
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|predecessor      =  
|predecessor      =  
|successor        =  
|successor        =  
|class            = Motocross
|class            = [[Motocross]]
|engine          = 250
|engine          = 250
|bore_stroke      =  
|bore_stroke      =  
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|torque          =  
|torque          =  
|ignition        =  
|ignition        =  
|spark_plug      ={{sparkplug|NGK CR8E}} ‘01-06<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>
|spark_plug      = {{sparkplug|}} '07-08<br />{{sparkplug|NGK CR8E}} '01-06
|battery          =  
|battery          =  
|transmission    =  
|transmission    =  
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|oil_capacity    =  
|oil_capacity    =  
|oil_filter      = K&N KN-140
|oil_filter      = K&N KN-140
|recommended_oil= Yamalube 10w-40
|fuel_consumption =  
|fuel_consumption =  
|turning_radius  =  
|turning_radius  =  
|related          = [[Yamaha YZ250]]<br />[[Yamaha YZ450F]]<br />[[Yamaha YZ426F]]<br />[[Yamaha YZ400F]]
|related          = [[Yamaha YZ250]]<br />[[Yamaha YZ450F]]<br />[[Yamaha YZ426F]]<br />[[Yamaha YZ400F]]
|competition      =  
|competition      =  
|manuals          = [[:File:2003 Yamaha YZ250F R Owners Service Manual.pdf|2003 Yamaha YZ250F R Owners Service Manual]]<br />
[[:File:2004 Yamaha YZ250F S Owners Service Manual.pdf|2004 Yamaha YZ250F S Owners Service Manual]]<br />
[[:File:2008 Yamaha YZ250F X Owners Service Manual.pdf|2008 Yamaha YZ250F X Owners Service Manual]]<br />
[[:File:2009 Yamaha YZ250F Y Owners Service Manual.pdf|2009 Yamaha YZ250F Y Owners Service Manual]]<br />
[[:File:2010 Yamaha YZ250F Z Owners Service Manual.pdf|2010 Yamaha YZ250F Z Owners Service Manual]]<br />
[[:File:2011 Yamaha YZ250F A Owners Service Manual.pdf|2011 Yamaha YZ250F A Owners Service Manual]]<br />
[[:File:2012 Yamaha YZ250F Owners Service Manual.pdf|2012 Yamaha YZ250F Owners Service Manual]]
|final_drive= {{chain|520x114}} ‘01-06<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 ‘01-06<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= 48T ‘01-06<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 YZ250F''' was first released as a 2001 model revolutionizing [[motocross]]. With Yamaha's patented 5 Titanium valve design and innovative [[four-stroke]] technology made the YZ250F the dominant force for years to come. The bike featured a steel frame and an aluminum subframe. The 2006 model is redesigned with an aluminum frame. The YZ250F can thank its four-stroke success to the [[Yamaha YZ400F|YZ400F]]. The YZ250F also catapulted [[Chad Reed]]'s motocross career into overdrive winning a 125cc championship for the Yamaha of Troy race team.  The similarly named [[Yamaha YZ250]] is a two-stroke [[motorcross]] bike made to compete with the 450 four-strokes.
The '''Yamaha YZ250F''' was first released as a 2001 model revolutionizing [[motocross]]. With Yamaha's patented 5 Titanium valve design and innovative [[four-stroke]] technology made the YZ250F the dominant force for years to come. The bike featured a steel frame and an aluminum subframe. The 2006 model is redesigned with an aluminum frame. The YZ250F can thank its four-stroke success to the [[Yamaha YZ400F|YZ400F]]. The YZ250F also catapulted [[Chad Reed]]'s motocross career into overdrive winning a 125cc championship for the Yamaha of Troy race team.  The similarly named [[Yamaha YZ250]] is a two-stroke [[motorcross]] bike made to compete with the 450 four-strokes.
==2001==
==2001==
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==2010 Yamaha YZ250F==
==2010 Yamaha YZ250F==
<gallery mode='packed-hover'>
[[File:yamaha-yz250-2010-2010-3_AYK7pOi.jpg|600px|2010 Yamaha YZ250F]]
File:yamaha-yz250-2010-2010-3_AYK7pOi.jpg|600px|2010 Yamaha YZ250F
[[File:yamaha-yz250-2010-2010-2_Np6ETpE.jpg|600px|2010 Yamaha YZ250F]]
File:yamaha-yz250-2010-2010-2_Np6ETpE.jpg|600px|2010 Yamaha YZ250F
[[File:yamaha-yz250-2010-2010-1_9pwA4WG.jpg|600px|2010 Yamaha YZ250F]]
File:yamaha-yz250-2010-2010-1_9pwA4WG.jpg|600px|2010 Yamaha YZ250F
[[File:yamaha-yz250-2010-2010-0_z1hJfgV.jpg|600px|2010 Yamaha YZ250F]]
File:yamaha-yz250-2010-2010-0_z1hJfgV.jpg|600px|2010 Yamaha YZ250F
</gallery>


The F in 2010 MY YZ250F's name indicates we're dealing with the 4-stroke version of the quarter-liter engine. Basically, the upgraded frame and suspensions of the YZ250 have been mated to a new engine. The looks of the YZ250F have been upgraded, with more aggressive graphics, while the engine also received a massive update, with many new components and revised ones, all contributing to more power at the rider's fingertips.
The F in 2010 MY YZ250F's name indicates we're dealing with the 4-stroke version of the quarter-liter engine. Basically, the upgraded frame and suspensions of the YZ250 have been mated to a new engine. The looks of the YZ250F have been upgraded, with more aggressive graphics, while the engine also received a massive update, with many new components and revised ones, all contributing to more power at the rider's fingertips.
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The 5-speed transmission was also upgraded, together with the ignition, radiators, headers, frame and all. The 2010 MY YZ250F is all-new, just like the performance is higher.
The 5-speed transmission was also upgraded, together with the ignition, radiators, headers, frame and all. The 2010 MY YZ250F is all-new, just like the performance is higher.


==2011 Yamaha YZ250F==
<gallery mode='packed-hover'>
File:yamaha-yz250-2011-2011-1_5cPqoVg.jpg|600px|2011 Yamaha YZ250F
File:yamaha-yz250-2011-2011-0_fiGgSdS.jpg|600px|2011 Yamaha YZ250F
</gallery>
The 2011 MY YZ250F introduces premium 4-stroke competition-grade machinery to the skilled rider. The engine is a strong puller, but is much smoother than its 2-stroke counterpart, and thanks to the careful weight management, it doesn't make the YZ250F a heavy load. The bike is really easy to flick without massive effort from the rider, retaining exceptional ground tracking capabilities worth of a race bike.
Adjustable suspensions, optimized mass and top-drawer titanium valves for the engine add to the overall performance specs of this race-winning quarter-liter beast.


==2012 Yamaha YZ250F==
==2012 Yamaha YZ250F==
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*[[Yamaha YZ426F]]
*[[Yamaha YZ426F]]
*[[Yamaha YZ450F]]
*[[Yamaha YZ450F]]
==References==
{{reflist}}
{{motorcycle-stub}}
{{motorcycle-stub}}
{{template:Yamaha YZ}}
{{template:Yamaha YZ}}

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