Difference between revisions of "Yamaha YZ250"

{{DISPLAYTITLE:{{PAGENAME}}: review, history, specs}}

{{DISPLAYTITLE:{{PAGENAME}}: review, history, specs}}

|aka              = YZ250FSE - Special Edition, YZ250F 60th Anniversay, YZ250X, YZ250FX, YZ250F, YZ 250 F, YZ 250

|aka              = YZ250FSE - Special Edition, YZ250F 60th Anniversay, YZ250X, YZ250FX, YZ250F, YZ 250 F, YZ 250

|parent_company  =

|parent_company  =

|production      = 1974 - 2019

|production      = 1974 - 2019

|predecessor      =

|predecessor      =

|successor        =

|successor        =

|engine          = single cylinder, two-stroke

|engine          = single cylinder, two-stroke

|bore_stroke      =  

|bore_stroke      =  

|compression      =  

|compression      =  

|power            = 48.8 hp

|power            = 48.8 hp

|torque          = 32 ft/lbs  

|torque          = 32 ft/lbs  

|fuel_capacity    = 2.0 Gallon (7.57 Liters)

|fuel_capacity    = 2.0 Gallon (7.57 Liters)

|oil_capacity    = 0.4 Gallon (1.50 Liters)

|oil_capacity    = 0.4 Gallon (1.50 Liters)

|fuel_consumption =

|fuel_consumption =

|turning_radius  =

|turning_radius  =

*SERIAL # 431-000101 - 004104

*SERIAL # 431-000101 - 004104

===1975===

===1975===

*SERIAL # 483-000101 - 002759

*SERIAL # 483-000101 - 002759

*SERIAL # 1W3-000101 - 006520

*SERIAL # 1W3-000101 - 006520

===1978 YZ250===

===1978 YZ250===

<gallery mode='packed-hover'>

<gallery mode='packed-hover'>

*SERIAL # 2K7-000101 - 009850

*SERIAL # 2K7-000101 - 009850

===1979 YZ250F===

===1979 YZ250F===

This model is technically a YZ250F by its letter designation but in this model's case the F signifies the year, not that it is a four-stroke.

This model is technically a YZ250F by its letter designation but in this model's case the F signifies the year, not that it is a four-stroke.

<br style="clear: left"/>

<br style="clear: left"/>

===1986===

===1986===

<gallery mode='packed-hover'>

<gallery mode='packed-hover'>

</gallery>

</gallery>

<br style="clear: left"/>

<br style="clear: left"/>

==Generation (1993 - 1995)==

==Generation (1993 - 1995)==

==Generation (1996 - 2001)==

==Generation (1996 - 2001)==

*1996 - 1998 redesign and dark blue plastics

*1996 - 1998 redesign and dark blue plastics

*1999 - up engine redesign, brighter blue plastics but same design  

*1999 - up engine redesign, brighter blue plastics but same design  

* 2001 - seat cover got black top

* 2001 - seat cover got black top

===2003 Yamaha YZ250===

===2003 Yamaha YZ250===

[[File:yamaha-yz250-2003-2003-0_lKQcu8V.jpg|600px|2003 Yamaha YZ250]]

[[File:yamaha-yz250-2003-2003-0_lKQcu8V.jpg|600px|2003 Yamaha YZ250]]

In the engine department, the 2002 Yamaha YZ250 comes with a new cylinder head and combustion chamber, a reshaped exhaust port, and a revised second gear for explosive power deployment. The factory-spec racing clutch lever is adjustable, and the rear master cylinder and discs are also revamped.

In the engine department, the 2002 Yamaha YZ250 comes with a new cylinder head and combustion chamber, a reshaped exhaust port, and a revised second gear for explosive power deployment. The factory-spec racing clutch lever is adjustable, and the rear master cylinder and discs are also revamped.

[[File:yamaha-yz250-2004-2004-0_wGvZRJ8.jpg|600px|2004 Yamaha YZ250]]

[[File:yamaha-yz250-2004-2004-0_wGvZRJ8.jpg|600px|2004 Yamaha YZ250]]

The 2003 YZ250 receives a new gripper-style seat cover, revised engine internals for a better mid-range power deployment, and an adjustable clutch lever for quick, on-the-fly fine tuning.

The 2003 YZ250 receives a new gripper-style seat cover, revised engine internals for a better mid-range power deployment, and an adjustable clutch lever for quick, on-the-fly fine tuning.

The trim of the 2005 YZ250 includes multiple works-style parts and technologies to allow riders to benefit from the best bang their money can buy. Save for the engine, which is a 2-stroke, the frame is almost identical to that of the 4-stroke machines.

The trim of the 2005 YZ250 includes multiple works-style parts and technologies to allow riders to benefit from the best bang their money can buy. Save for the engine, which is a 2-stroke, the frame is almost identical to that of the 4-stroke machines.

The 2007 MY Yamaha YZ250 got a little more power from its 249cc reed-inducted single, with multiple revisions providing better performance for a lot of components, such as the cylinder, power valve system and carburetor. Quick-access clutch and washable air filter make maintenance easier, reducing the time you'll spend in the garage.

The 2007 MY Yamaha YZ250 got a little more power from its 249cc reed-inducted single, with multiple revisions providing better performance for a lot of components, such as the cylinder, power valve system and carburetor. Quick-access clutch and washable air filter make maintenance easier, reducing the time you'll spend in the garage.

The 2008 MY YZ250 is the perfect choice of you want to show someone how evil can a quarter-liter 2-stroke machine can be. The machine is infused with the best features of its 4-stroke siblings, and loaded with works-derived technologies, such as a titanium rear shock spring, aluminum frame, a new front rotor and twin piston caliper, Pro taper bars, an adjustable 48mm fork, quick-adjust clutch lever and a redesigned brake lever, as well.

The 2008 MY YZ250 is the perfect choice of you want to show someone how evil can a quarter-liter 2-stroke machine can be. The machine is infused with the best features of its 4-stroke siblings, and loaded with works-derived technologies, such as a titanium rear shock spring, aluminum frame, a new front rotor and twin piston caliper, Pro taper bars, an adjustable 48mm fork, quick-adjust clutch lever and a redesigned brake lever, as well.

The biggest 2-stroke off-road machine has just gotten better, and this calls for some hard riding, showing your friends who's the boss of the dirt track.

The biggest 2-stroke off-road machine has just gotten better, and this calls for some hard riding, showing your friends who's the boss of the dirt track.

Only those who have ridden a 2-stroke quarter liter off-road machine know the adrenaline rush the amazing power and torque combined with a light weight brings... the rest are about to find out. If real-life racing sensations are one of the things you're looking for, then throwing a leg over the 2009 MY YZ250 is the natural thing to do.  

Only those who have ridden a 2-stroke quarter liter off-road machine know the adrenaline rush the amazing power and torque combined with a light weight brings... the rest are about to find out. If real-life racing sensations are one of the things you're looking for, then throwing a leg over the 2009 MY YZ250 is the natural thing to do.  

A 2-sstroke quarter-liter machine like the 2010 MY YZ250 is a true weapon in the hands of a skilled rider. The engine delivers explosive power as the throttle is twisted and the brawn of this lightweight machine can strike fear in the minds of the faint-hearted. The aluminum frame uses inverted Kayaba forks and a works-derived rear suspension, both adjustable and capable to deliver first-class performance to the discerning rider.

A 2-sstroke quarter-liter machine like the 2010 MY YZ250 is a true weapon in the hands of a skilled rider. The engine delivers explosive power as the throttle is twisted and the brawn of this lightweight machine can strike fear in the minds of the faint-hearted. The aluminum frame uses inverted Kayaba forks and a works-derived rear suspension, both adjustable and capable to deliver first-class performance to the discerning rider.

This 2-stroke bike sports an aluminum frame and a smooth close-gear 5-speed gearbox. Together with the upright, forward-slanted design, the YZ250 offers unlimited fun for off-road adventure and all the prerequisites for dirt racing at its possible max.

This 2-stroke bike sports an aluminum frame and a smooth close-gear 5-speed gearbox. Together with the upright, forward-slanted design, the YZ250 offers unlimited fun for off-road adventure and all the prerequisites for dirt racing at its possible max.

The 2012 Yamaha YZ250 is ready to race out of the crate, complete with an aluminum handlebar, titanium foot pegs, gripper seat, and Excel rims. Its lightweight build means extremely easy handling, excellent cornering and less fatigue, granting the rider more possibilities to focus on his capabilities, instead of “fighting” the machine.

The 2012 Yamaha YZ250 is ready to race out of the crate, complete with an aluminum handlebar, titanium foot pegs, gripper seat, and Excel rims. Its lightweight build means extremely easy handling, excellent cornering and less fatigue, granting the rider more possibilities to focus on his capabilities, instead of “fighting” the machine.

The 2013 Yamaha YZ250 carries on the heritage of the bike which won the first-ever World Motocross Championship back in 1973. It retains the 2-stroke principle but the rest of the bike is completely changed, now benefiting from the most advanced technology in the field of MX racing. The chassis is now made in aluminum and rolls with light, cast alloy wheels, USD forks and a Power Valve System for the modern exhaust.

The 2013 Yamaha YZ250 carries on the heritage of the bike which won the first-ever World Motocross Championship back in 1973. It retains the 2-stroke principle but the rest of the bike is completely changed, now benefiting from the most advanced technology in the field of MX racing. The chassis is now made in aluminum and rolls with light, cast alloy wheels, USD forks and a Power Valve System for the modern exhaust.

Legendary YZ250 249cc liquid-cooled reed-valve-inducted two-stroke engine, a new compression ratio, new exhaust port timing, updated Yamaha Power Valve System (YPVS) timing, and a new model-specific CDI unit – all focused on making a wide, controllable power character ideal for cross-country racing.

Legendary YZ250 249cc liquid-cooled reed-valve-inducted two-stroke engine, a new compression ratio, new exhaust port timing, updated Yamaha Power Valve System (YPVS) timing, and a new model-specific CDI unit – all focused on making a wide, controllable power character ideal for cross-country racing.

The YZ250 with the same engine 250cc liquid-cooled reed-valve-inducted two-stroke engine is lightweight, compact and features an incredibly wide, hard-hitting powerband. New 270mm front disc brake (up from 250mm) also features a new brake pad material for exceptional stopping power and control for aggressive corner entries.

The YZ250 with the same engine 250cc liquid-cooled reed-valve-inducted two-stroke engine is lightweight, compact and features an incredibly wide, hard-hitting powerband. New 270mm front disc brake (up from 250mm) also features a new brake pad material for exceptional stopping power and control for aggressive corner entries.

* [https://motopixel.org/pixel/la-cite-rose#yamaha-yz250 La cité rose]

* [https://motopixel.org/pixel/la-cite-rose#yamaha-yz250 La cité rose]

* [https://motopixel.org/pixel/backlight#yamaha-yz250 Backlight]

* [https://motopixel.org/pixel/backlight#yamaha-yz250 Backlight]

* [https://motopixel.org/pixel/chips-2#yamaha-yz250 CHiPs]

* [https://motopixel.org/pixel/chips-2#yamaha-yz250 CHiPs]

* [https://motopixel.org/pixel/jesus-christ-vampire-hunter#yamaha-yz250 Jesus Christ Vampire Hunter]

* [https://motopixel.org/pixel/jesus-christ-vampire-hunter#yamaha-yz250 Jesus Christ Vampire Hunter]

==See Also==

==See Also==

*[[Yamaha YZ400]]

*[[Yamaha YZ400]]

*[[Yamaha YZ490]]

*[[Yamaha YZ490]]

{{template:Yamaha YZ}}

{{template:Yamaha YZ}}

{{Yamaha}}

{{Yamaha}}