Difference between revisions of "Yamaha YZ125"

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{{DISPLAYTITLE:{{PAGENAME}}: review, history, specs}}
{{DISPLAYTITLE:{{PAGENAME}}: review, history, specs}}
{{Motorcycle
{{Motorcycle
|name            = '''Yamaha YZ125'''
|name            = Yamaha YZ125
|photo= Yamaha-yz125-2007-2007-1.jpg
|photo= Yamaha-yz125-2007-2007-1.jpg
|aka              = YZ125X, YZ 125
|aka              = YZ125X, YZ 125
|manufacturer    = [[Yamaha]]
|manufacturer    = Yamaha
|parent_company  =
|parent_company  =
|production      = 1997 - 2019
|production      = 1997 - 2019
Line 10: Line 10:
|predecessor      =
|predecessor      =
|successor        =
|successor        =
|class            = [[Motocross]]
|class            = Motocross
|engine          = single cylinder, two-stroke
|engine          = single cylinder, two-stroke
|bore_stroke      = 54.0mm x 54.5mm
|bore_stroke      = 54.0mm x 54.5mm
|compression      = 10.7:1
|compression      = 10.7:1
|top_speed        =
|top_speed        =72 mph
|power            =
|power            =
|torque          = 17.7 ft/lbs (24.0 Nm) @ 10000RPM
|torque          = 17.7 ft/lbs (24.0 Nm) @ 10000RPM
Line 40: Line 40:
|fuel_capacity    = 2.11 Gallon (8.00 Liters)
|fuel_capacity    = 2.11 Gallon (8.00 Liters)
|oil_capacity    =
|oil_capacity    =
|recommended_oil= Yamalube 10w-40
|fuel_consumption =
|fuel_consumption =
|turning_radius  =
|turning_radius  =
Line 76: Line 77:
*SERIAL # 453-000101 - 007730
*SERIAL # 453-000101 - 007730


===1976 YZ125C===
===1976 YZ125C ===
<gallery>
Image:1976-Yamaha-YZ125-Yellow-0.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125-Yellow-1.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125-Yellow-2.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125-Yellow-3.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125-Yellow-4.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125-Yellow-5.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125-Yellow-6.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125-Yellow-7.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125-Yellow-8.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125-Yellow-1174-0.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125-Yellow-1174-1.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125-Yellow-1174-2.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125-Yellow-1174-3.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125-Yellow-1174-4.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125-Yellow-1174-5.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125C-Yellow-3338-0.jpg|1976 Yamaha YZ125C in Yellow
Image:1976-Yamaha-YZ125C-Yellow-3338-1.jpg|1976 Yamaha YZ125C in Yellow
Image:1976-Yamaha-YZ125C-Yellow-3338-2.jpg|1976 Yamaha YZ125C in Yellow
Image:1976-Yamaha-YZ125C-Yellow-3338-3.jpg|1976 Yamaha YZ125C in Yellow
Image:1976-Yamaha-YZ125C-Yellow-3338-4.jpg|1976 Yamaha YZ125C in Yellow
Image:1976-Yamaha-YZ125-Yellow-1803-0.jpg|1976 Yamaha YZ125 in Yellow
Image:1976-Yamaha-YZ125-Yellow-1803-1.jpg|1976 Yamaha YZ125 in Yellow
</gallery>
<br style="clear: left"/>
 
===1975===
===1975===
*SERIAL # 453-100101 - 101620
*SERIAL # 453-100101 - 101620
Line 113: Line 88:


===1978===
===1978===
<gallery mode='packed-hover'>
File:1978-yamaha-yz125-0.jpg|1978 Yamaha YZ125
File:1978-yamaha-yz125-1.jpg|1978 Yamaha YZ125
File:1978-yamaha-yz125-2.jpg|1978 Yamaha YZ125
File:1978-yamaha-yz125-3.jpg|1978 Yamaha YZ125
File:1978-yamaha-yz125-4.jpg|1978 Yamaha YZ125
File:1978-yamaha-yz125-5.jpg|1978 Yamaha YZ125
</gallery>
*SERIAL # 2K6-000101 - 015080
*SERIAL # 2K6-000101 - 015080


==1979==
==1979==
[[Image:1979-Yamaha-YZ125-Yellow-0.jpg|left|thumb|1979 Yamaha YZ125]]
[[Image:1979-Yamaha-YZ125-Yellow-0.jpg|left|thumb|1979 Yamaha YZ125]]
[[Image:1979-Yamaha-YZ125-Yellow-1.jpg|left|thumb|1979 Yamaha YZ125]]
[[Image:1979-Yamaha-YZ125-Yellow-2.jpg|left|thumb|1979 Yamaha YZ125]]
[[Image:1979-Yamaha-YZ125-Yellow-3.jpg|left|thumb|1979 Yamaha YZ125]]
[[Image:1979-Yamaha-YZ125-Yellow-3.jpg|left|thumb|1979 Yamaha YZ125]]
[[Image:1979-Yamaha-YZ125-Yellow-4.jpg|left|thumb|1979 Yamaha YZ125]]
[[Image:1979-Yamaha-YZ125-Yellow-4.jpg|left|thumb|1979 Yamaha YZ125]]
[[Image:1979-Yamaha-YZ125-Yellow-5.jpg|left|thumb|1979 Yamaha YZ125]]
[[Image:1979-Yamaha-YZ125-Yellow-5.jpg|left|thumb|1979 Yamaha YZ125]]
<br style="clear: left"/>
*SERIAL # 2X3-000101 - N/A
==1980 YZ125G==
<gallery mode='packed-hover'>
File:1980-Yamaha-YZ125-G-Yellow-0.jpg|left|thumb|1980 Yamaha YZ125-G in Yellow
File:1980-Yamaha-YZ125-G-Yellow-1.jpg|left|thumb|1980 Yamaha YZ125-G in Yellow
File:1980-Yamaha-YZ125-G-Yellow-2.jpg|left|thumb|1980 Yamaha YZ125-G in Yellow
File:1980-Yamaha-YZ125-G-Yellow-3.jpg|left|thumb|1980 Yamaha YZ125-G in Yellow
File:1980-Yamaha-YZ125-G-Yellow-4.jpg|left|thumb|1980 Yamaha YZ125-G in Yellow
File:1980-Yamaha-YZ125-G-Yellow-5.jpg|left|thumb|1980 Yamaha YZ125-G in Yellow
File:1980-Yamaha-YZ125-G-Yellow-6.jpg|left|thumb|1980 Yamaha YZ125-G in Yellow
File:1980-Yamaha-YZ125-G-Yellow-7.jpg|left|thumb|1980 Yamaha YZ125-G in Yellow
File:1980-Yamaha-YZ125-G-Yellow-8.jpg|left|thumb|1980 Yamaha YZ125-G in Yellow
File:1980-Yamaha-YZ125-Yellow-0.jpg|left|thumb|1980 Yamaha YZ125 in Yellow
File:1980-Yamaha-YZ125-Yellow-1.jpg|left|thumb|1980 Yamaha YZ125 in Yellow
File:1980-Yamaha-YZ125-Yellow-2.jpg|left|thumb|1980 Yamaha YZ125 in Yellow
File:1980-Yamaha-YZ125-Yellow-3.jpg|left|thumb|1980 Yamaha YZ125 in Yellow
File:1980-Yamaha-YZ125-Yellow-4.jpg|left|thumb|1980 Yamaha YZ125 in Yellow
File:1980-Yamaha-YZ125-Yellow-5.jpg|left|thumb|1980 Yamaha YZ125 in Yellow
</gallery>
*SERIAL # 3R3-000101 - ON
==Third Generation==
===1981 YZ125H===
[[Image:1981 Yamaha YZ125H profile.jpg|200px|thumb|left|1981 Yamaha YZ125H profile]]
[[Image:1981 Yamaha YZ125H.jpg|200px|thumb|left|1981 Yamaha YZ125H]]{{clear}}
Race-developed over a three year period, the YZ125H was the first [[liquid-cooled]] Yamaha motocrosser. The alloyed aluminum radiator was mounted to the top triple clamp. Coolant was channeled through the handlebar crown, [[steering head]] pipe and the down pipe of the frame. Liquid-cooling helped minimize heat-induced power loss racers experienced during a race.
===1983 YZ125===
<gallery mode='packed-hover'>
File:1983-Yamaha-YZ125-Yellow-46-0.jpg|left|thumb|1983 Yamaha YZ125 in Yellow
File:1983-Yamaha-YZ125-Yellow-46-1.jpg|left|thumb|1983 Yamaha YZ125 in Yellow
File:1983-Yamaha-YZ125-Yellow-46-2.jpg|left|thumb|1983 Yamaha YZ125 in Yellow
File:1983-Yamaha-YZ125-Yellow-46-3.jpg|left|thumb|1983 Yamaha YZ125 in Yellow
</gallery>
===1984 YZ125===
<gallery mode='packed-hover'>
File:1984-Yamaha-YZ125-Yellow-8459-0.jpg|left|thumb|1984 Yamaha YZ125 in Yellow
File:1984-Yamaha-YZ125-Yellow-8459-1.jpg|left|thumb|1984 Yamaha YZ125 in Yellow
File:1984-Yamaha-YZ125-Yellow-8459-2.jpg|left|thumb|1984 Yamaha YZ125 in Yellow
File:1984-Yamaha-YZ125-Yellow-8459-3.jpg|left|thumb|1984 Yamaha YZ125 in Yellow
</gallery>
==1992 YZ125==
<gallery mode='packed-hover'>
File:1992-yamaha-yz125-0.jpg|1992 Yamaha YZ125
File:1992-yamaha-yz125-1.jpg|1992 Yamaha YZ125
File:1992-yamaha-yz125-2.jpg|1992 Yamaha YZ125
File:1992-yamaha-yz125-3.jpg|1992 Yamaha YZ125
File:1992-yamaha-yz125-4.jpg|1992 Yamaha YZ125
</gallery>
==1997 - 2000 Yamaha YZ 125==
{{Motorcycle
|name            = Yamaha YZ125
|production      = 1997 - 2000
|manuals          = [[:File:2000 Yamaha YZ125 (M) LC Owners Service Manual.pdf|2000 Yamaha YZ125 (M) LC Owners Service Manual]]
}}
In ’96 they made some changes that lasted until the end of 2001. These are still considered some of the best motocross bikes, especially the 1999 model. They are fast, reliable, and are just a great overall bike.
==2001 - 2004 Yamaha YZ 125==
{{Motorcycle
|name            = Yamaha YZ125
|production      = 2001 - 2004
|manuals          = [[:File:2001 Yamaha YZ125 (N) LC Owners Service Manual.pdf|2001 Yamaha YZ125 (N) LC Owners Service Manual]]<br />
[[:File:2002 Yamaha YZ125 (P) LC Owners Service Manual.pdf|2002 Yamaha YZ125 (P) LC Owners Service Manual]]<br />
[[:File:2003 Yamaha YZ125 (R) LC Owners Service Manual.pdf|2003 Yamaha YZ125 (R) LC Owners Service Manual]]<br />
[[:File:2004 Yamaha YZ125 S Owners Service Manual.pdf|2004 Yamaha YZ125 S Owners Service Manual]]
}}
<gallery mode='packed-hover'>
File:yamaha-yz125-2001-2004-2.jpg|600px|2001 - 2004 Yamaha YZ 125
File:yamaha-yz125-2001-2004-1.jpg|600px|2001 - 2004 Yamaha YZ 125
File:yamaha-yz125-2001-2004-0.jpg|600px|2001 - 2004 Yamaha YZ 125
</gallery>
In 2002 the frame changed, making it lighter, narrower, and more flick-able. However, many people didn’t approve because it switched to a 5-speed transmission. 125’s have a narrow power-band as it is, and some riders just like having that extra gear. This bike comes equipped with 124cc, two stroke, liquid-cooled engine since 1981.  However, many people didn’t approve because it switched to a 5-speed transmission. 125’s have a narrow power-band as it is, and some riders just like having that extra gear.
===2003 Yamaha YZ125===
[[File:yamaha-yz125-2003-2003-0.jpg|600px|2003 Yamaha YZ125]]
Small bikes can provide big fun, and the best way to test this truth is to ride the 2002 YZ125. A brawny 124cc liquid-cooled 2-stroke engine delivers more punch than you'd expect, and manual 5-speed transmission provides excellent control across then whole rpm range.
This model year received fork and swingarm revisions, structural strengthening and engine tweak including new carburetor settings for increased responsiveness. Add in lighter brakes and high-performance Excel rims for a bike that's made for winning at the track.
===2004 Yamaha YZ125===
[[File:yamaha-yz125-2004-2004-0.jpg|600px|2004 Yamaha YZ125]]
Some believe that small-displacement bikes are dull, but if they took a ride aboard the 2003 Yamaha YZ125, they'd most likely change their minds in a matter of minutes. Built around a bulletproof 124cc liquid-cooled 2-stroke lump, the 2003 YZ125 is a great step toward the high-performance machines, offering a great basis for solid training ahead of the real deal.
Kayaba suspensions, top-notch disc brakes, a high-adherence seat cover, beefy 48mm forks, titanium foot pegs and many more top-drawer features are present to create the best training conditions for the future champs.
==2005 - 2008==
{{Motorcycle
|name            = Yamaha YZ125
|production      = 2005 - 2008
|manuals          = [[:File:2005 Yamaha YZ125 Owners Service Manual.pdf|2005 Yamaha YZ125 Owners Service Manual]]
}}
===2006===
[[Image:2006-Yamaha-YZ125.jpg|left|thumb|2006 Yamaha YZ125]]
<br style="clear: left"/>
===2007===
[[Image:2007-Yamaha-YZ125.jpg|left|thumb|2007 Yamaha YZ125]]
<br style="clear: left"/>
===2006 Yamaha YZ125===
[[File:yamaha-yz125-2006-2006-1.jpg|600px|2006 Yamaha YZ125]]
[[File:yamaha-yz125-2006-2006-0.jpg|600px|2006 Yamaha YZ125]]
The 2005 YZ125 gets a lot of revisions and updates, including more tweaking for the 1-year-old all-new lump and a new silver paint job. Yamha came up with an all-new aluminum frame for the previous model year, and it has now received a new hydro-formed swingarm, new triple clamps and new adjustable handlebars.
The Kayaba forks are also new, while the rear suspension got a matching revision. Brakes have also been updated. and a Sun Star rear sprocket adds more contact area with the chain for increased grunt.
===2007 Yamaha YZ125===
[[File:yamaha-yz125-2007-2007-3.jpg|600px|2007 Yamaha YZ125]]
[[File:yamaha-yz125-2007-2007-2.jpg|600px|2007 Yamaha YZ125]]
[[File:yamaha-yz125-2007-2007-1.jpg|600px|2007 Yamaha YZ125]]
[[File:yamaha-yz125-2007-2007-0.jpg|600px|2007 Yamaha YZ125]]
The 2007 MY Yamaha YZ125 is laden with upgraded features and carries on the heritage of its family as a high-performance small-displacement, entry-point 2-stroke bike. Multiple parts have received improvements, from the fork tube coating and valving to the piggyback rear monocross damper with a titanium spring, the new swingarm, Taper Pro bars, and improved rear subframe.
One of the lightest competition 125cc 2-stroke machines on the market, the 2007 MY YZ125 is a natural stage in becoming a champion, and an exceptional intermediate bike before taking on the big-bore MX monsters.
===2008 Yamaha YZ125===
[[File:yamaha-yz125-2008-2008-4.jpg|600px|2008 Yamaha YZ125]]
[[File:yamaha-yz125-2008-2008-3.jpg|600px|2008 Yamaha YZ125]]
[[File:yamaha-yz125-2008-2008-2.jpg|600px|2008 Yamaha YZ125]]
[[File:yamaha-yz125-2008-2008-1.jpg|600px|2008 Yamaha YZ125]]
[[File:yamaha-yz125-2008-2008-0.jpg|600px|2008 Yamaha YZ125]]
Ultra lightweight, packing more punch than meets the eye and with sharp handling, the 2008 MY YZ125 greets riders with a new aluminum frame, a very compact engine and multiple revisions in all the departments. A new intake manifold was designed for better performance, while more high-rev power is now available.
An adjustable clutch is standard, just like the aluminum cradle, triple clamps, swingarm, and the adjustable handlebar mounts. Speed-sensitive Kayaba suspensions add unprecedented precision to your riding, while the recent tweaks help for more precise cornering, too. Add in titanium pegs and a repackable exhaust for top-notch convenience.
==2009 Yamaha YZ125==
[[File:yamaha-yz125-2009-2009-4.jpg|600px|2009 Yamaha YZ125]]
[[File:yamaha-yz125-2009-2009-3.jpg|600px|2009 Yamaha YZ125]]
[[File:yamaha-yz125-2009-2009-2.jpg|600px|2009 Yamaha YZ125]]
[[File:yamaha-yz125-2009-2009-1.jpg|600px|2009 Yamaha YZ125]]
[[File:yamaha-yz125-2009-2009-0.jpg|600px|2009 Yamaha YZ125]]
Welcome to the real competition world, the 2009 MY YZ125 is probably the bike you've been looking for. packing plenty of nerve with its 124cc 2-stroke liquid-cooled single, the bike provides exceptional YZ-family racer DNA with its heavy-duty clutch and 6-speed manual transmission, while the competition-grade aluminum frame uses premium adjustable Kayaba suspensions loaded with plenty of works-derived features.
Add in titanium pegs, racing-grade levers, a repackable silencer, competition seat and revised ergonomics, complemented by the  new wave rotors and the updated forks.
==2010 Yamaha YZ125==
[[File:yamaha-yz125-2010-2010-3.jpg|600px|2010 Yamaha YZ125]]
[[File:yamaha-yz125-2010-2010-2.jpg|600px|2010 Yamaha YZ125]]
[[File:yamaha-yz125-2010-2010-1.jpg|600px|2010 Yamaha YZ125]]
[[File:yamaha-yz125-2010-2010-0.jpg|600px|2010 Yamaha YZ125]]
With the 2010 MY YZ125 things begin to get serious, as this 2-stroke machine is the initial step into the world of real racers. The bike has an aluminum frame, inverted Kyb forks, wave rotors, speed sensitive, adjustable suspensions, a heavy-duty clutch and multiple other high-performance, race-grade parts which add to the overall trim.
A premium small-displacement bike to allow young riders to get their first taste of hard-earned victory, the 2010 MY YZ125 is ready to take on the competition, right form the box.
==2011 Yamaha YZ125==
[[File:yamaha-yz125-2011-2011-2.jpg|600px|2011 Yamaha YZ125]]
[[File:yamaha-yz125-2011-2011-1.jpg|600px|2011 Yamaha YZ125]]
[[File:yamaha-yz125-2011-2011-0.jpg|600px|2011 Yamaha YZ125]]
The 2011 MY YZ125 is a 2-stroke competition machine designed to provide premium performance straight from the box. The bike has a lightweight aluminum frame, with adjustable suspensions, a titanium rear spring and more race-derived components aimed at offering great maneuverability and explosive dirt performance.
The exhaust is also repackable from constant engine performance, while the "gripper" seat cover enhances rider contact with the bike, even in the most demanding of situations.
==2012 Yamaha YZ125==
[[File:yamaha-yz125-2012-2012-2.jpg|600px|2012 Yamaha YZ125]]
[[File:yamaha-yz125-2012-2012-1.jpg|600px|2012 Yamaha YZ125]]
[[File:yamaha-yz125-2012-2012-0.jpg|600px|2012 Yamaha YZ125]]
The 2012 MY YZ125 is a 2-stroke entry-level dirt racing machine which packs a lot of character and will help the growing riders learn more secrets to help them get the better of their competitors. A great choice for those who are too big for the YZ85 bikes, but who are not skilled enough yet to jump aboard the bigger 4-stroke machines, the YZ125 retains all the key features of a high-performance off-road machine.
A bulletproof, high-revving engine is providing the needed nerve to tackle long straights, steep hills and tight corners alike, while the gripper seat, titanium foot pegs and the Pro taper aluminum handlebar are also stock trim for a ready-to-race status straight from the crate.
==2013 Yamaha YZ125==
[[File:yamaha-yz125-2013-2013-4.jpg|600px|2013 Yamaha YZ125]]
[[File:yamaha-yz125-2013-2013-3.jpg|600px|2013 Yamaha YZ125]]
[[File:yamaha-yz125-2013-2013-2.jpg|600px|2013 Yamaha YZ125]]
[[File:yamaha-yz125-2013-2013-1.jpg|600px|2013 Yamaha YZ125]]
[[File:yamaha-yz125-2013-2013-0.jpg|600px|2013 Yamaha YZ125]]
The 2012 124cc engine of the Yamaha YZ125 offers a staggering 33HP of high-torque fun, and makes the bike suitable for both generic off-road use and fast-paced dirt racing. This bike 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.
This 2-stroke bike sports an aluminum frame and a smooth close-gear 6-speed gearbox. Together with the upright, forward-slanted design, the YZ125 offers unlimited fun for off-road adventure and all the prerequisites for dirt racing at its possible max.
==2014 Yamaha YZ125==
[[File:yamaha-yz125-2014-2014-4.jpg|600px|2014 Yamaha YZ125]]
[[File:yamaha-yz125-2014-2014-3.jpg|600px|2014 Yamaha YZ125]]
[[File:yamaha-yz125-2014-2014-2.jpg|600px|2014 Yamaha YZ125]]
[[File:yamaha-yz125-2014-2014-1.jpg|600px|2014 Yamaha YZ125]]
[[File:yamaha-yz125-2014-2014-0.jpg|600px|2014 Yamaha YZ125]]
The 2013 Yamaha YZ125 is a very good bike to make the transition from the small-displacement kids' motorcycles to the very serious quarter-liter machines. It sports the same effortless handling of the smaller bikes, but when it comes to punch, this machine has plenty to offer. The weight is kept under a strict watch with the introduction of an aluminum frame, and the revised bike architecture brings more mass to the center of the bike for a more stable feel and enhanced maneuverability.
Speed-sensitive KYB forks provide excellent ground copying, and the use of titanium elements reduce the weight even more. Suitable for track use, the 2013 Yamaha YZ125 is also a great companion for outdoor fun, and it will be a great choice as a recreational two-wheeler.
==2018 Yamaha YZ125==
[[File:yamaha-yz125-2018-4.jpg|600px|2018 Yamaha YZ125]]
[[File:yamaha-yz125-2018-3.jpg|600px|2018 Yamaha YZ125]]
[[File:yamaha-yz125-2018-2.jpg|600px|2018 Yamaha YZ125]]
[[File:yamaha-yz125-2018-1.jpg|600px|2018 Yamaha YZ125]]
[[File:yamaha-yz125-2018-0.jpg|600px|2018 Yamaha YZ125]]
The 2018 YZ125 is ready to race out of the crate, complete with an aluminum handlebar, titanium foot pegs and gripper seat. The YZ125 is ready to race out of the crate, complete with an aluminum handlebar, 2-position adjustable handlebar clamp, wide foot pegs, gripper seat and adjustable clutch lever with works-style cable adjuster.
==In Media==
* [https://motopixel.org/pixel/la-via-della-droga#yamaha-yz125 La via della droga]
* [https://motopixel.org/pixel/monster-garage-sweden#yamaha-yz125 Monster Garage (Sweden)]
* [https://motopixel.org/pixel/alias#yamaha-yz125 Alias]
* [https://motopixel.org/pixel/joshua-tree#yamaha-yz125 Joshua Tree]
* [https://motopixel.org/pixel/boon#yamaha-yz125 Boon]
* [https://motopixel.org/pixel/huang-jia-shi-jie-zhi-iv-zhi-ji-zheng-ren#yamaha-yz125 Huang jia shi jie zhi IV: Zhi ji zheng ren]
* [https://motopixel.org/pixel/high-ballin#yamaha-yz125 High-Ballin']
* [https://motopixel.org/pixel/breaker-breaker#yamaha-yz125 Breaker! Breaker!]
* [https://motopixel.org/pixel/disturbing-behavior#yamaha-yz125 Disturbing Behavior]
* [https://motopixel.org/pixel/the-amityville-terror#yamaha-yz125 The Amityville Terror]
* [https://motopixel.org/pixel/macklemore-ryan-lewis-downtown#yamaha-yz125 Macklemore & Ryan Lewis: Downtown]
* [https://motopixel.org/pixel/dix-pour-cent#yamaha-yz125 Dix pour cent]
* [https://motopixel.org/pixel/commissaire-magellan#yamaha-yz125 Commissaire Magellan]
* [https://motopixel.org/pixel/squanderers#yamaha-yz125 Squanderers]
* [https://motopixel.org/pixel/lunarcop#yamaha-yz125 Lunarcop]
* [https://motopixel.org/pixel/birdy-nam-nam-defiant-order#yamaha-yz125 Birdy Nam Nam: Defiant Order]
* [https://motopixel.org/pixel/breaking-wind#yamaha-yz125 Breaking Wind]
* [https://motopixel.org/pixel/jeuk-ngau-jai-foo-dik-jung-kwai#yamaha-yz125 Jeuk ngau jai foo dik Jung Kwai]
* [https://motopixel.org/pixel/ski-to-the-max#yamaha-yz125 Ski to the Max]
* [https://motopixel.org/pixel/li-extreme#yamaha-yz125 LI Extreme]
* [https://motopixel.org/pixel/the-sentinel#yamaha-yz125 The Sentinel]
* [https://motopixel.org/pixel/fair-game-2#yamaha-yz125 Fair Game]
==See Also==
*[[Yamaha YZ50]]
*[[Yamaha YZ80]]
*[[Yamaha YZ85]]
*[[Yamaha YZ250]]
*[[Yamaha YZ400]]
*[[Yamaha YZ490]]
==References==
{{reflist}}
{{Yamaha YZ}}
{{Yamaha}}
[[Category:Yamaha motorcycles|YZ125, Yamaha]]
[[Category:Yamaha YZ series]]
[[Category:Motocross motorcycles]]
[[Category:2000s motorcycles]]
[[Category:2010s motorcycles]]
[[Category:1990s motorcycles]]
[[Category:1980s motorcycles]]
[[Category:1970s motorcycles]]

Latest revision as of 01:08, 22 February 2023

Yamaha-yz125-2007-2007-1.jpg
Yamaha YZ125
Manufacturer
Also called YZ125X, YZ 125
Production 1997 - 2019
Class Motocross
Engine
single cylinder, two-stroke
Bore / Stroke 54.0mm x 54.5mm
Compression ratio 10.7:1
Top Speed 72 mph
Torque 17.7 ft/lbs (24.0 Nm) @ 10000RPM
Ignition cdi
Spark Plug NGK B10EG '76-80 , '81
NGK B9EG '74-75
NGK B9EG '82 , '84-85 , '88-98
NGK BR9EG '83 , '86-87 , '99-08
Transmission Gear box: 6-speed

Final Drive: chain

Clutch: multiplate wet clutch
Suspension Front: kyb® speed-sensitive system inverted fork; fully adjustable
Rear: kyb® single shock; fully adjustable
Brakes Front: single disc. hydraulic.
Rear: single disc. hydraulic.
Front Tire 3.00-21 '76 , '77-80 , '81 , '82
2.75-21 '74-75
80/100-21 '86-87 , '88 , '89-93 , '94-96 , '97-98 , '99-04 , '05-08
90/90-21 '83 , '84 , '85
Rear Tire 6675 '76 , '77-80 , '81 , '82
130/80-18 '83 , '84 , '85
100/90-19 '89-93 , '94-96 , '97-98 , '99-04 , '05-08
3.50-18 '74-75
100/100-18 '86-87 , '88
Wheelbase 56.81 inches (1443 mm)
Length 84.09 inches (2136 mm)
Width 32.6 inches (828 mm)
Height 50.98 inches (1295 mm)
Seat Height 38.39 inches (975 mm)
Weight 190.04 pounds (86.2 Kg) (dry), 93.9 kg (wet)
Recommended Oil Yamalube 10w-40
Fuel Capacity 2.11 Gallon (8.00 Liters)
Related Yamaha YZ50
Yamaha YZ60
Yamaha YZ80
Yamaha YZ85
Yamaha YZ100
Yamaha YZ125
Yamaha YZ250
Yamaha YZ400
Yamaha YZ465
Yamaha YZ490
Competition Honda CR125R
Kawasaki KX125
Suzuki RM125
Manuals Service Manual

Brochures ·


The Yamaha YZ125 was a single cylinder, two-stroke Trial motorcycle produced by Yamaha between 1997 and 2019. Max torque was 17.7 ft/lbs (24.0 Nm) @ 10000 RPM.

Engine[edit | edit source]

The engine was a liquid cooled single cylinder, two-stroke. A 54.0mm bore x 54.5mm stroke result in a displacement of just 125.0 cubic centimeters.

Drive[edit | edit source]

The bike has a 6-speed transmission. Power was moderated via the multiplate wet clutch.

Chassis[edit | edit source]

It came with a 80/100-21 front tire and a 100/90-19 rear tire. Stopping was achieved via single disc. hydraulic. in the front and a single disc. hydraulic. in the rear. The front suspension was a kyb® speed-sensitive system inverted fork; fully adjustable while the rear was equipped with a kyb® single shock; fully adjustable. The YZ125 was fitted with a 2.11 Gallon (8.00 Liters) fuel tank. The bike weighed just 190.04 pounds (86.2 Kg). The wheelbase was 56.81 inches (1443 mm) long.

First Generation[edit | edit source]

1974 YZ125A[edit | edit source]


  • SERIAL # 453-000101 - 007730

1976 YZ125C[edit | edit source]

1975[edit | edit source]

  • SERIAL # 453-100101 - 101620

1976[edit | edit source]

  • SERIAL # 537-000101 - 014044

1977[edit | edit source]

  • SERIAL # 1W1-000101 - 015610

1978[edit | edit source]

  • SERIAL # 2K6-000101 - 015080

1979[edit | edit source]

1979 Yamaha YZ125
1979 Yamaha YZ125
1979 Yamaha YZ125
1979 Yamaha YZ125