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How Fast Does A 125cc Dirt Bike Go? [TOP SPEED ANSWERED]

How Fast Does A 125cc Dirt Bike Go? [TOP SPEED ANSWERED]

The 125cc dirt bikes are designed for off-road and tackle the rough terrain with lightheartedness. If you are into riding hobbies and want to explore rough terrains such as hills, woods, mud, rocks, and forests, then a 125cc dirt bike will serve you right. But how fast does a 125cc dirt bike go?

A 125cc 4-stroke dirt bike boasts a speed range of 50 miles per hour, while the maximum speed of a 125cc 2-stroke dirt bike is about 75 miles per hour. The maximum speed of a 125cc dirt bike depends on the model, modifications, the rider's experience, and many other factors. 

If you are considering investing in a 125cc dirt bike, then there is a lot of information that you need to acquaint yourself with before making a purchase.

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Why You Should Invest In A 125cc

The first step to purchasing the best 125cc dirt bike is familiarizing yourself with all the essential features of the bike. In any case, it is through examining the features that you would be able to tell whether or not the machine that you are about to buy is capable of meeting your needs. In addition to the features, it is a good idea to have genuine reasons to invest in such a machine. Here is why purchasing a 125cc is a good idea.

A New Challenge

If you are into riding hobbies, the chances are that you have tried out ATVs or even drones, and you are probably getting bored. Doing the same thing on many occasions may come with boredom. Therefore, investing in a 125cc dirt bike will give you a new challenge that will come with ultimate excitement. If you have never tried riding a bike, you can be sure that the entire journey will be pretty exciting. By the time you graduate from being a pro, you will have had enough fun.

Increase Mental Toughness

How you spend your free time will always have a significant impact on your mental toughness. If you want to increase your mental toughness, a 125cc dirt bike may be significant. When trying to conquer an obstacle or troubleshoot a problem on your bike, you would always need quality reasoning to overcome such challenges.

Relieve Stress

Riding a dirt bike can play a significant role in helping to get rid of stress. Whenever you feel that everything around you is weighing you down, the best course of action is to spend quality time doing what you love doing. For instance, you will forget your stressful situations by focusing on riding your dirt bike. Moreover, dirt bike riding is an intensive exercise that can help you feel refreshed.

Explore New Places

Riding gives you an excellent opportunity to see beautiful views on the trail. Numerous state trails in the United States will leave you mesmerized. If you have a good camera, you can spend a good part of your riding time taking awesome pictures. In addition to exploring new places, you will have a perfect opportunity to make new friends.

Dirt Bikes Are Multipurpose

Another reason to consider investing in a 125cc dirt bike is that they are multipurpose. In other words, you can use your bike to teach friends how to ride, race off-road, ride trails, or even do chores on your firm. To be precise, there are several benefits of owning a dirt bike.

How Fast Does A 125cc 4 Stroke Dirt Bike Go

The speed factor is critical for racing enthusiasts as it plays a significant role in bringing the ecstasy that comes with dirt bike riding. This explains why many dirt bike riding fanatics are not likely to purchase a bike without first exploring the speed. The maximum speed of a 125cc 4-stroke is 45mph. However, specific factors may influence this speed. Some of these factors include the brand, the expertise of the rider, the terrain, and the modification. While high speed has its fun, the reality is that it can be dangerous. The safety risk of high speed explains why many manufacturers do not recommend high speed. Nonetheless, if you have to embrace the maximum speed, you must ensure that you wear proper safety gear and have the expertise to avoid unnecessary injuries.

125cc Dirt Bike Top Speed

If you are young and inexperienced, you do not have to struggle for 125cc dirt bike top speed as that might put your life in danger. Nevertheless, if you think you have the skills and experience to hit the top speed of up to 75 mph, you can go for it. To hit the top speed of 75 mph, you need to invest in a two-stroke dirt bike. Most two-stroke models can easily hit the maximum speed without much struggle.

How Fast Is 125cc?

2-stroke engines are highly lightweight and are generally speedier than four-stroke engines. Therefore, if speed is your number one priority, the 2-stroke engine is what you need. However, it would help to understand that they are hard to control and can also be expensive to maintain.

Factors That Determine How Fast A 125cc Can Go

While the average speed of 125cc dirt bikes is enough to give you the fun you need, you may consider modifying them to make them faster. One way to achieve this is by familiarizing yourself with the different factors that influence the speed of a 125cc dirt bike.

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Environmental Conditions

External factors will always have a final influence on the speed of a dirt bike. For instance, the top speed of your bike will vary greatly depending on the terrain. If the terrain gets muddier, your bike will become slower. In the same way, if you have to make many twists, a high speed can be fatal.

Dirt Bike’s Customizations

Most dirt bike riding enthusiasts find it fun to customize their bikes. It feels nice to make changes on your bike and try it out to see if they work. While some customization may increase your bike's speed, some can lower its speed. For instance, adding extra loads on your bike will lower its speed. Therefore, if you have to modify your bike to increase its speed, you need to make sure that you know what you are doing.

The Load

The load you will have on your 125cc dirt bike can also significantly impact its speed. Different models have different maximum loads, and you need to put this in mind when going for a speed ride. Further, the load factor can also mean that heavier riders may have difficulty reaching the maximum speed. Hence, you may consider shading off the excess weight if you want your 125cc dirt bike to hit the maximum speed.

Keep reading: How Fast Does a 50cc Dirt Bike Go? [GUIDE]

The Rider’s Experience

Lastly, the rider's experience can also influence how fast a 125cc can go. Riders with excellent experience are not likely to have a hard time hitting the maximum speed of 75mph. Therefore, if you want to improve your riding speed, you should consider sharpening your skills to perfection. Always remember that practice makes perfect.

Tricks To Improve Your 125cc Speed

While we do not expect much from the 125cc when it comes to speed, as it is designed for new riders, there are several tricks that you can embrace to increase its speed. Some of these tricks include;

  • Training your body for maximum speed – getting into shape and having a proper stance can improve your speed.
  • Swap the exhaust – Replacing the exhaust of your 125cc dirt bike is one of the most uncomplicated modifications that you can make to increase its speed.
  • Keep it Clean – Practicing the proper maintenance for your bike will ensure durability and is essential in increasing its speed.


As you have noted, the 125cc can attain up to a speed of 75mph. However, reaching the maximum speed depends on the brand, rider's experience, environmental conditions, and many other factors. If you want your 125cc to be speedier, invest in the best brand and upgrade your riding skills.

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