How Fast Does 125cc Dirt Bike(2 Stroke & 4 Stroke) Go 2023
Whether you are an expert dirt bike rider or looking to buy your first 125cc dirt bike, you should know how fast does 125cc dirt bike go. A 4-stroke dirt bike goes at a fast speed of 50 mph, whereas a 2-stroke dirt bike has the fastest speed of 70 mph.
However, there are other factors that determine the speed of your dirt bikes, such as dirt bike model, terrain type, and rider weight. Let’s explore the speed of 125cc dirt bikes under different conditions.
2-stroke vs. 4-stroke 125cc dirt bikes
Dirk bike lovers always want to go for the fastest bike to enjoy adventurous riding. Whether to choose 4 stroke 125cc dirt bike or go with the best 2-stroke 125cc dirt bike?
A dirt bike with 4 stroke engine is faster than 2 stroke dirt bike. However, the speed may depend on the manufacturing and model of your dirt bike.
If you aren’t interested in fast speed, 2 stroke dirt bike is an ideal option for you as it’s affordable and easy to maintain compared to 4-stroke dirt bikes.
How Long Does It Take To Reach Top Speeds of 125cc dirt bike?
A dirt bike doesn’t usually reach top speed as it is always turning corners on the trails, or you will be enjoying rough riding on rocky roads.
Acceleration is more important than the top speed of the bike. When it comes to top speed time, it depends on the engine type of your dirt bike.
A 2-stroke engine dirt bike reaches quickly to the top speed compared to 4 stroke dirt engine. Perhaps this is one of the prime reasons why 2-stroke 125cc dirt bikes are mostly used on the tracks.
A 125cc 2-stroke dirt bike takes less than 5 seconds to reach the top speed, whereas a 4-stroke dirt bike takes more than 5 seconds for a top speed.
Other factors that determine the speed of a dirt bike include your skill level, track, and weight.
For instance, if you are a beginner to dirt biking and have 2 stroke dirt bike, you can’t handle the power and may end up spinning out, which leads to a longer time to reach the top speed of a dirt bike.
A rider with heavy weight (weight capacity is always mentioned on a dirt bike) may have issues with achieving the top speed.
The type of terrain also has a significant impact on the speed of your dirt. Hard surfaces such as pavement allow reaching higher speeds compared to soft surfaces like mud or sand.
Besides rider weight, the dirt bike weight also reduces the speed. For instance, a lightweight dirt bike has a faster speed compared to heavy dirt bikes.
When it comes to riding, one can’t neglect the importance of riding conditions. Weather conditions decide how fast you can ride.
A slippery or wet condition reduces the top speed. On the contrary, when you are riding in dry conditions, it allows you to enjoy the speed of the fastest dirt bike.
How to make my 125cc Dirt Bike go faster?
If you are not satisfied with the speed of your dirt bike, here are some useful ways to make your 125cc dirt bike go faster.
- Maintain good tire pressure
One of the main reasons for reduced dirt bike speed is the low tire pressure. Dirt bikes are made for adventurous riding; therefore, you have to maintain proper tire pressure.
The recommended tire pressure for a dirt bike is 12 psi. If it is less than the recommended pressure, the dirt bike won’t ride at top speed. Also, excessive tire pressure in dirt bikes may result in tire damage.
- Ride Faster trails
If you select trails that aren’t appropriate for your dirt bike, it is impossible to reach the top speed of a dirt bike. Make sure to ride on faster trails to enjoy the super smooth riding experience while maintaining the fast speed of your 125cc dirt bike.
- Keep your weight low
Riding low to the ground level ensures maximum dirt bike speed. It allows more leverage and keeps the center of gravity low. Both factors are helpful in improving the top speed of dirt bikes.
- Keep dirt bike in good working condition
Keeping up with proper maintenance of a dirt bike helps to prevent mechanical issues, especially when they are most inconvenient such as in the middle of the trail ride.
Make sure to change the engine oil on time. Don’t ride with weak tires. Make sure to visit nearby dirt service shops every month or when needed to avoid unwanted situations.
- Safety precautions when riding your dirt bike at fast speeds
When you are riding a dirt bike at the fastest speed, you have to take proper safety precautions to ensure that you protect yourself and avoid any accidents. Following are the essential safety tips for dirt bikers.
- Watch distance
When you are riding at top speed, it is critical to watch your distance from other vehicles and objects around you. It can be straightforward to brush up too closely against other things.
That’s why you should maintain a safe distance between the dirt bike and obstacles.
- Wear a dirt bike helmet
A bet dirt bike helmet is a must-have safety accessory when riding a dirt bike at a fast speed. It helps to protect your head in case of a serious accident.
- Wear dirt bike protective gear
You should also wear the best dirt bike protective gear, like dirt bike jackets, dirt bike gloves, dirt bike pants, and dirt bike boots. These accessories are specially created for dirt biker needs. They perfectly protect your body in severe conditions.
- Don’t ride in the rain and dark.
Wet terrains can be dangerous, and therefore, you have to avoid riding during rain and heavy mist. During wet conditions, your dirt bike may slide out underneath unexpectedly, which leads to crashes and accidents.
Riding after dusk or before dawn can be dangerous for dirt bikers as it is easy to lose control when it’s dark outside. Less visibility with fast speed isn’t a perfect combo when you are riding a dirt bike.
- Keep straight
Make sure to ride your dirt bike in a straight line. It helps to maintain control of the dirt bike and prevent unwanted conditions.
- Stay alert
When riding a dirt bike a high speed, you have to stay alert and focused. Never let your guard down, even for one second.
- Avoid off-road riding
Off-road riding is fun, but it isn’t for everyone. If you are a beginner, we recommend staying away from off-road riding as it can cause accidents due to less dirt control.
- Practice
The last and most important thing is a regular practice. Before riding on bumpy and uneven terrains, it is wise to practice your dirt biking skills. It helps to control the dirt bike at top speeds.
Final words
The speed of a 125cc dirt bike depends on different factors. Although the average fast speed of 125cc is up to 50 mph, your dirt bike should be in the best working condition, have excellent tire pressure and have proper weight (both bike and rider). Don’t neglect the importance of protective gear when riding at a fast speed.
Frequently Asked Questions (FAQs)
- Which is faster, 125cc 2 stroke or 250cc 4 stroke?
A 250cc 4-stroke dirt bike is faster than a 125cc 2-stroke dirt bike as it has twice the low-end torque with convenient riding, and the peak horsepower is almost similar.
- Are 2-stroke dirt bikes good for a beginner?
A 2 stroke dirt bike is best for beginners as these bikes are lightweight and easy to handle. Also, 2-stroke bikes need less maintenance, which helps to save time and money.
- 2-stroke vs 2-stroke dirt bike, which lasts longer?
A dirt bike with 4-stroke engines works best and lasts longer than 2-stroke dirt bikes, but when it comes to speed, 2-stroke engines are lightweight and faster than 4-stroke engines.