Speed is one of the most important factors to consider when looking for a dirt bike for motocross use. The Yamaha YZ125 is an exceptional motorcycle that offers an excellent combination of high speed, performance, and reliability.
Here we explore the top speed of the Yamaha YZ 125 and what it means for riders. The YZ125 is an ideal bike for future riders. The YZ125’s super-slim body, agile high-spec chassis, and flat seat allow you to shift weight quickly for total control.
And with Yamaha’s most powerful 125cc stock engine, highly efficient braking system, and state-of-the-art suspension, you get the perfect ride on dirt roads.
In addition to its impressive features, the YZ125 also has a host of other specs and features that are sure to appeal to all types of riders. So if you’re thinking about buying a new high-speed motorcycle, be sure to take a look at this Yamaha model.
In order to make the right decision when buying a Yamaha YZ 125, it is best to first find out about its top speed, handling, and smoothness.
2023 YZ 125 2 Stroke Top Speed Review & Features Model Update & Pricing
The 2023 Yamaha YZ125 is a 125cc 2-stroke motocross bike with a 6-speed gearbox and a liquid-cooled engine. It has seen many changes over the years, but it is still a race bike that can be used for many things, including teaching proper techniques on a dirt bike.
The Yamaha YZ125 engine is liquid-cooled and features a large-capacity radiator that is efficient and effective at cooling. It is equipped with an innovative Keihin PWK38S carburetor that ensures clean and fast engine performance.
The seat height of the Yamaha YZ125 is 38.6 inches and it also features a redesigned, flatter seat and a narrower fuel tank design, both of which improve handling.
It features a 48mm speed-sensitive KYB reversing suspension up front and a fully adjustable KYB shock and both suspension at the rear. Here is the main feature and specifications of the Yamaha YZ125
Yamaha YZ125 Key Specifications:
- Price: $6,899 to $7,099
- Engine: 1-cylinder, 2-stroke
- Displacement: 125cc
- Transmission: 6-Speed
- Power: 33.53 hp
- Seat Height: 38.6 inches
- Curb Weight: 207 lb
- Fuel Tank Capacity: 1.8 gallon
- Engine Displacement: 125 cc
- No. of Cylinders: 1
- Fuel Type: Petrol
- Front Brake: Single Hydraulic Disc
- Rear Brake: Single Hydraulic Disc
- Compression Ratio: 8.6-10.7:1
- Valves Per Cylinder: 2
- Starting: Kick
- Ignition: CDI
- Clutch: Wet Type
- Final Drive: Chain
A stock YZ125 will peak at 30-35 horsepower depending on the road and how you test it. It is incredible power for a 125cc engine, but you will get more than that in this bike.
Most people can’t keep it stationary all the time, which means you’ll be cruising at lower revs where low-midrange torque is the most important factor. “Usable power” was never really an issue with the YZ125 compared to the competition.
As this bike is fast and smooth, many of us also like the YZ125’s handling which is better than other 125cc bikes. The CR125 has been among the best in its class for handling since the introduction of the third-generation chassis in 2002.
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This motorcycle is extremely easy to ride and offers comfort. 2002-later YZ125s are no slouch, though, so that shouldn’t be the determining factor.
3. Lightweight Aluminum Frame
This bike has a lightweight aluminum frame. This frame is made of aluminum alloy and was specially developed for racing. As a result, this bike was entered in several different competitions.
Thanks to the incorporated aluminum, this structure has just the right amount of strength and stability. As a direct result, the frame of this semi-double bed will be both strong and adaptable.
4. Rear Shock
The stock rear shock used in 125cc is also fully adjustable and you can use it for more comfort based on your riding style. The first thing to make sure of is that the spring rate matches your weight.
Then you need to adjust the sag to get the correct ride height so the suspension is balanced for the best handling. To get more traction and comfort, you can also adjust the clickers.
5. Braking System
Braking is an important part of trail riding. If the brake fails, there is real danger to life. For this reason, it has a superior braking system so that you can continue driving in complete safety. This bike is equipped with a 270mm hydraulic disc brake on the front wheel.
The rear wheel brake, on the other hand, is a hydraulic disc brake with a diameter of 240 millimeters. With these brakes, you can stop the bike in no time at any speed.
How Fast Does A YZ 125 Go? – Top Speed & Horsepower
The top speed on a standard YZ125 is about 70 miles per hour, which translates to nearly 112 mph in kilometers. This speed is truly amazing, especially considering that the bike only has a 125cc engine.
You’ll get that speed when you’re on level ground, but that number doesn’t mean much unless you’re drag racing or driving a high-speed section of desert. In motocross and trail, you don’t use high gear, so your acceleration is more important than top speed.
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However, the speed may change depending on the year of manufacture of the vehicle. The weight of the YZ125 has decreased or increased several times throughout the model’s history.
These weight changes have either had a positive or negative impact on the beast’s top speed, depending on how you look at it.
How To Increase The Speed Of Yamaha YZ 125? (Explained)
The Yamaha YZ125 is an exceptional dirt bike. Riding this wild animal is an exciting and enjoyable experience. But who doesn’t like a little extra pleasure every now and then? To achieve this goal you have access to mods.
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In this section, we will give you some recommendations to help you improve the performance of your YZ125. Let us begin!
A. Installing a 144CC kit
An alternative is to install a 144cc GYTR kit that will increase its power from 35 to 40 hp. However, it is important to remember that the 144cc version may not rev as much as the 125cc version and may cause more vibration and a slower starting time.
B. Modification of Valve System
Installing a V-Force3 reed system on your YZ125 could turn out to be one of the best decisions you’ve ever made. Thanks to this valve, your motorcycle will have more power and better speed when you step on the gas pedal.
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In addition, you will experience increased speed compared to the standard system. In addition, the longevity of this valve system is better than that of standard valves.
C. 13/49 Gear
Most beginners should avoid using two-stroke engines. You can modify the gear ratio to get more out of the Yamaha yz125 engine. This can be done in several ways. Changing gears from 13/48 to 13/49 makes the bike easier to control and increases speed.
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D. Upgrade the Exhaust
Upgrading your exhaust system is one of the easiest and most inexpensive things you can do. This will help reduce the YZ125’s weight and increase its speed. Most people associate exhaust systems with noise. While this is an important component, there is more.
Your YZ125 exhaust system is responsible for removing harmful gases and vapors from the engine. It also affects the performance of your bike.
Top FAQs About Yamaha YZ125 Top Speed
How fast can a YZ125 go?
The top speed for a YZ125 2-stroke is around 70mph, much faster than the 4-stroke machine which has a top speed of around 50. This of course depends on the model you buy as not all have the same top speed.
The average speed of 70 mph comes from a wide range of different models. This can increase depending on the terrain you are riding on. Suppose you knock down a runway. You will go faster than when you drive on really rough terrain.
Is a YZ125 Good for Beginners?
Yes, for beginners, the 125cc four-stroke bike offers sufficient power, the right level of comfort, and the best learning experience. It’s a great bike for big kids and smaller, lighter adults. It provides the correct seating position required for a comfortable ride.
However, for teenagers, the 125cc engine is heavier and bigger than the normal engine. In this case, it would be best to look for shorter bikes, such as a 50-80cc motorcycle, so that the ride is comfortable.
Can your trail ride a 125 2-stroke?
Yes, trail riding is an option for those who enjoy riding a YZ125. It suits the average rider for trail riding, and it’s also a pretty common trail bike used for runs in the woods.
This bike’s great handling of weight makes gives you a smooth drive. They certainly have their limits. Mountaineering is the greatest.
How much does a 2023 YZ125 cost?
The price of the Yamaha YZ 125 2023 varies by model year, geographic area, and retailer. The new Yamaha YZ 125 Blue costs you $6,599 for Team Yamaha and Monster Energy Yamaha Racing Edition variant starts from $7,099.
It is always recommended to contact your nearest Yamaha dealer for the most accurate and up-to-date pricing information.
Is the Yamaha YZ 125 worth buying?
The value of the YZ 125 largely depends on your own choices and needs. The YZ 125 is a great choice for experienced motocross riders looking for a compact, lightweight bike with outstanding performance and handling.
Other options may be better if you are new to motocross or looking for a bike that can be used for trail riding or daily commuting.
In short, the Yamaha YZ125 is a powerful dirt bike with solid features and specs. Engine comfort and robust performance are hard to match. So you can enjoy a comfortable and exciting journey. I hope you like the article.
We try to cover everything you need to make a purchasing decision. And most importantly, the top speed of the Yamaha YZ 125 is crucial for dirt bike lovers.