Updated on March 15, 2023
A 50cc dirt bike can go anywhere from 30 mph to 50 mph. It really depends on the model and the rider.
Is 50 mph fast for a dirt bike?
It depends on the dirt bike. Some dirt bikes are designed for high-speed racing, while others are meant for more casual riders who prefer a slower pace. In general, 50 mph is a fast speed for a dirt bike, but it all depends on the type of bike and the terrain you’re riding on.
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How fast does a 50cc dirt bike go on average?
The average speed of a 50cc dirt bike is 40 to 50 mph. However, this can vary depending on the type of bike and the terrain you’re riding on. Some bikes are designed for high-speed racing and can reach speeds of up to 60 mph. Others are meant for more casual riders and may only reach speeds of 30 mph. It all depends on the bike and the rider’s preferences.
Factors Affecting Dirt Bike Speed
There are many factors that can affect a dirt bike’s speed. Some of the most important ones are listed below:
1. The weight of the bike – A heavier bike will be slower than a lighter one.
2. The weight of the rider – A heavier rider will be slower than a lighter one.
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3. The type of terrain – A softer, more slippery surface will slow the bike down more than a harder, drier surface.
4. The type of tires – Tires with more tread will grip the ground better and be faster than those with less tread.
5. The air pressure in the tires – Higher air pressure will make the tires harder and faster; lower air pressure will make them softer and slower.
6. The engine size – A bigger engine will be faster than a smaller one.
7. The gear ratio – A higher gear ratio will make the bike go faster; a lower gear ratio will make it go slower.
8. The age and condition of the bike – A newer, better-maintained bike will be faster than an older, more worn-out bike.
9. The experience level of the rider – A more experienced rider will be able to go faster on a dirt bike than a beginner.
50cc Dirt Bike Max Speed
It really depends on the bike and the rider. I’ve seen some 50cc dirt bikes do 65 mph, but that’s pretty rare. Most will do around 50-55 mph.
The thing to remember is that a 50cc dirt bike is actually quite small, and it takes a lot of skill to handle it at high speeds. So even if your bike can go 60 mph, I wouldn’t recommend trying to go that fast until you’re comfortable with how to handle the bike at high speeds. Remember, safety first!
Can You Limit the Speed on a 50cc Dirt Bike?
Yes, you can limit the speed on a 50cc dirt bike. One way to do this is by installing a governor on the engine. A governor restricts the speed at which the engine can run so that it cannot exceed a certain preset limit. Another way to limit the speed of a dirt bike is by changing its gearing. This can be done by swapping out the stock gears for different ones that have a lower top speed. Either of these methods will help to keep your dirt bike from going too fast and risking injury to yourself or others.
It’s important to remember, however, that even if you limit the speed of your dirt bike, it’s still possible to crash and get hurt. So always ride safely and within your abilities.
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How to Make a 50cc Dirt Bike Go Faster?
There are a few ways to make a 50cc dirt bike go faster. One way is to install a bigger engine. Another way is to change the gearing so that it has a higher top speed. You can also install a governor on the engine to remove the speed limit. Finally, you can make sure that the bike is well-maintained and in good condition so that it performs at its best.
No matter what method you use to make your 50cc dirt bike go faster, always remember to ride safely and within your abilities. Going too fast can be dangerous and lead to serious accidents. So please be careful!
I hope this article was helpful in understanding how fast a 50cc dirt bike can go. If you have any questions or comments, please feel free to leave them below. Thanks for reading!

Austin Jacobs is a passionate cycling enthusiast who has over five years of experience in bike repair and maintenance. He is an avid mountain biker and loves tinkering with bikes for hours on end to make sure they are running at their optimum performance level. Leland’s blog, which focuses on bike repairs and tips to keep them in good running order, was created out of a desire to share his knowledge and help fellow cyclists stay safe while enjoying the outdoors. He covers topics such as preventive maintenance, troubleshooting common issues, basic tools and supplies needed for repairs, and more.