2001 yz125 weight

2001 yz125 weight DEFAULT

Yamaha YZ125: review, history, specs

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[edit | edit source]

  • 1983 Yamaha YZ125 in Yellow

  • 1983 Yamaha YZ125 in Yellow

  • 1983 Yamaha YZ125 in Yellow

  • 1983 Yamaha YZ125 in Yellow

1984 YZ125[edit | edit source]

  • 1984 Yamaha YZ125 in Yellow

  • 1984 Yamaha YZ125 in Yellow

  • 1984 Yamaha YZ125 in Yellow

  • 1984 Yamaha YZ125 in Yellow

1992 YZ125[edit | edit source]

1997 - 2000 Yamaha YZ 125[edit | edit source]


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[edit | edit source]

  • 2001 - 2004 Yamaha YZ 125

  • 2001 - 2004 Yamaha YZ 125

  • 2001 - 2004 Yamaha YZ 125

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[edit | edit source]

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[edit | edit source]

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[edit | edit source]

2006[edit | edit source]

2007[edit | edit source]

2006 Yamaha YZ125[edit | edit source]

2006 Yamaha YZ1252006 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[edit | edit source]

2007 Yamaha YZ1252007 Yamaha YZ1252007 Yamaha YZ1252007 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[edit | edit source]

2008 Yamaha YZ1252008 Yamaha YZ1252008 Yamaha YZ1252008 Yamaha YZ1252008 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[edit | edit source]

2009 Yamaha YZ1252009 Yamaha YZ1252009 Yamaha YZ1252009 Yamaha YZ1252009 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[edit | edit source]

2010 Yamaha YZ1252010 Yamaha YZ1252010 Yamaha YZ1252010 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[edit | edit source]

2011 Yamaha YZ1252011 Yamaha YZ1252011 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[edit | edit source]

2012 Yamaha YZ1252012 Yamaha YZ1252012 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[edit | edit source]

2013 Yamaha YZ1252013 Yamaha YZ1252013 Yamaha YZ1252013 Yamaha YZ1252013 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[edit | edit source]

2014 Yamaha YZ1252014 Yamaha YZ1252014 Yamaha YZ1252014 Yamaha YZ1252014 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[edit | edit source]

2018 Yamaha YZ1252018 Yamaha YZ1252018 Yamaha YZ1252018 Yamaha YZ1252018 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[edit | edit source]

See Also[edit | edit source]

References[edit | edit source]

Sours: https://www.cyclechaos.com/wiki/Yamaha_YZ125

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Yamaha’s YZ125 has been at the top of the 125cc two-stroke motocross class for at least four years now. The competition has been gaining every year, however, and Yamaha worked hard to make the 2001 YZ125 even better than its predecessors. Did they succeed? Let’s talk about the changes, first.

Beginning with the motor (the most important part of a 125cc machine), Yamaha wanted more power, without sacrificing the broad spread it has been known for. The biggest change is the addition of a 38mm carburetor (up from last years 36mm). Yamaha has been trying to make the 38mm carb work for the last couple of years, and finally succeeded. Yamaha wanted to retain good low end, but gain the top end shriek that can only come with a 38mm carb.

Coupled with the 38mm carb, Yamaha fine-tuned the cylinder head shape, port shape, and the power valve design.

In the chassis department, the frame and swingarm material were changed to a higher grade in order to provide equal rigidity and lower weight. The front and rear suspension received updates for 2001, as well, including new settings and new bump rubber characteristics at both ends (to improve the bottoming feeling).

Ranking right up there with the new carburetor, another significant change to the 2001 YZ125 (a change shared with all of the new YZs) is a new Nissin front brake master cylinder working in tandem with a larger, 250mm floating front disc. The goal with the front brake was increased power and feel.

So much for the technical highlights and changes. What is it like to ride the 2001 YZ125?

Yamaha’s changes to the YZ125 motor resulted in a very linear, torquey powerband with good peak horsepower. Riding the 2001 YZ125 back-to-back with most other 125s will have you convinced the YZ has a broader, easier to use, powerband, with decent peak horsepower that remains “hooked up”.

Overall, Yamaha did a very good job with the motor this year. The flywheel effect is just about perfect, allowing the bike to “hook up” well, but rev quickly, at the same time. This is a very refined power plant, and a great starting point for developing a peakier, more rev-happy power plant (if you are a pro). Remember, it is much easier to take a bike with a good, broad spread of power and increase over rev, than it is to take a high revving bike with no low end, and give it low end.

The handling of the YZ125 feels very familiar. Like past YZ125s, it combines the nimbleness you expect from a 125 with good straight line stability and balance. The suspension this year feels pretty stiff, at first. In fact, we felt that the fork required significant break-in time, after which it was reasonably plush and controlled — but still stiff enough for serious motocross work.

After dialing in the clickers, the rear shock felt good — combining reasonable bump absorption without getting mushy at higher speeds on a rough track.

The settings we ended up using on the fork and shock were as follows: Fork: compression – 14 out, rebound – 8 out; shock: compression – 8 out, rebound – 7 out.

The Yamaha also feels very well balanced in the air. It has an overall feeling of stability, and rarely surprises you by carrying the front wheel high off of jumps, for example. Basically, you feel like you can put the YZ125 where you want it.

Pros will want a little more high rpm power than the stock bike delivers, and, with a stock 38mm carburetor, this can be achieved much more cheaply than with last years bike, for instance. Take the money you would spend on boring the carburetor and put it into a reed cage, such as the Moto Tassinari V-Force II, which Team Yamaha of Troy has used on their YZ125s for the past couple of years. Couple this with a new pipe and, without expensive porting or carburetor boring, the YZ will undoubtedly make pro-level power with the necessary over-rev.

As is, the YZ125 is a great all-around motocross bike or trail bike. KTM’s Shane Watts has shown all of us that a 125 can be fun and competitive in off-road racing — not just in motocross. We trail rode the YZ125 extensively, and know of several riders who are looking at 125s for trail duty in light of Shane Watts’ success in the GNCC series. The YZ125 is a fantastic trail bike.

On the trail, the YZ’s engine characteristics really shine. It has great low end for a 125, is very tractable, and, once again, has good flywheel affect for hooking up on slippery surfaces. The overall stability of the bike is another plus on the trail, especially when you start out with a 125cc machine that is far more nimble than the heavier trail bikes you might be used to.

We put the YZ through some high speed trail riding, and it was an absolute blast to ride. After break-in, the suspension can be made reasonably plush for trail use, and, with a few clicks on compression and rebound, can return to competitive motocross settings.

Everywhere we rode, the new front brake worked great. Combining some real bite and power with good modulation and control, Yamaha has developed a front brake on par with Honda’s legendary front brake. A pro could race with this brake right out of the box. In fact, the only modification I would make would be to route a steel braided brake line Honda-style, without wrapping it under the caliper. This would provide even more power and feel — there are after-market kits for doing this.

With the 250mm front rotor, and the outstanding new master cylinder, a “big brake kit” is really unnecessary for anyone but the hardcore pro racer.

The YZ has excellent detailing, as well. From the “works-style”, adjustable clutch and refined clutch lever shape (courtesy of input from David Vuillemin), to the stock, Excel rims (the only Japanese manufacturer to feature these outstanding rims on their bike). All-in-all, the YZ125 represents a very refined and effective package for the motocrosser or the off-road racer/trail enthusiast.

As stated earlier, Yamaha also gave the racing pro a big head start with the 38mm carburetor and the vastly improved front brake. For a lot less money, the pro can modify this bike to achieve competitive power and braking characteristics.

The MSRP of the 2001 YZ125 is $4,999.00.

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New – mm (in.)Service Limit – mm (in.)Cylinder Head Warpage Limit–0.03 90.0012)Cylinder Bore Inside DiameterStandard Cylinder54.000 – 54.014 (2.1260 – 2.1266)54.1 (2.130)Cylinder Mark A54.000 – 54.002 (2.1260 – 2.1261)–Cylinder Mark B54.004 – 54.006 (2.1261 – 2.1262)–Cylinder Mark C54.008 – 54.010 (2.1246 – 2.1247)–Cylinder Mark D54.012 – 54.014 (2.1265 – 2.1266)–Piston Outside DiameterStandard Piston53.957 – 53.972 (2.1263 – 2.1249)–Piston Mark A53.957 – 53.960 (2.1263 – 2.1244)–Piston Mark B53.961 – 53.964 (2.1244 – 2.1246)–Piston Mark C53.965 – 53.968 (2.1246 – 2.1247)–Piston Mark D53.969 – 53.972 (2.1248 – 2.1249)–Piston Measuring Point From Base of Piston10.00 (0.39in)–Piston-to-Cylinder Clearance0.040 – 0.045 (0.0016 – 0.00180.1 (0.004)Piston Ring-to-Groove Clearance*0.030 – 0.070 (0.0012 – 0.0028)0.1 (0.004)Piston Ring Groove Width1.00 (0.040)– (0.051)Piston Ring End Gap (Installed)1994 – 19950.50-0.65 (0.020 – 0.026)0.80 (0.031)1996 – 20010.50-0.70 (0.020 – 0.028)1.2 (0.047)Piston Pin Outside Diameter1994 – 199515.995 – 16.000 (0.6297 – 0.6299)15.975 (0.6289)1996 – 200114.995 – 15.000 (0.5904 – 0.5906)14.975 (0.5896)Piston Pin BoreNANAReed Valve*Bending Limit–0.2 (0.008)Stopper Height7.4 – 7.8 (0.291 – 0.307)–*2000 – 2001Piston Ring-to-Groove Clearance0.035 – 0.080 (0.0014 – 0.003)0.1 (0.004)Reed Valve Stopper Height8.2 – 8.6 (0.323- 0.339)–
Sours: https://www.fixyourdirtbike.com/fix/yamaha/yamaha-yz125/1994-2001-yamaha-yz125/1994-2001-yamaha-yz125-service-specifications/1994-2001-yamaha-yz125-top-end-specifications/
How To Rebuild the Top End on a Yamaha YZ125 \u0026 YZ125X

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Yz125 weight 2001

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THE 2001 YZ125 REBUILD HAS STARTED!!!

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