January 16, 2026
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Small and yet still spirited, a 49cc dirt bike is the perfect entry into off-road fun. If you are a parent purchasing a dirt bike for your child or if you are beginner and simply want to test out the performance, one question keeps popping up, how fast is a 49cc dirt bike?
This article we are taking a look at the CRF110 top speed, what it’s influenced by, and why it makes for one of the safest most popular beginner dirt bike on the market today.
A 49cc 1 cylinder engine. There’s usually 2stroke and/or 4 stroke versions surface mounted, Beginner level performance.
25-30 mph top speed. (can vary for rider weight, terrain and bike setup)
Gas only; petrol/oil mixture for 2-strokes, straight petrol for 4-strokes.
Centrifugal clutch ensure the transmission is in non slip condition.
For ages 6 –12 (or younger/lighter riders) with speed limiters for added safety on select models
A 49cc dirt bike is a small, low-powered gas motorbike that is appropriately sized for kids and beginners. These bikes are more about managing than outright speed.
I have received numerous inquires from parents and new riders on what speed a 40, 50 or even 110-450cc dirt bike should reach before they make an initial purchase and knowing the true top speeds will assist them in making the right decision.
Speed Of Different Dirt Bikes
Stock 49cc dirt bikes generally hit anywhere, in between 25 to 30 miles per hour. Manufacturers have ‘soft-limiters’ on the speed range that intentionally cap the speed-range in order maintain a manageable bike for beginners.
Though it may not seem so quick for seasoned two-wheelers, this pace is quite fast to young riders and novices, particularly on dirt tracks or trails.
Rider WeightWhen it comes to a 49cc dirt bike, rider weight is one of the strongest indicators for its performance.
The engine is a little too small for heavier riders. Kids and small-to-medium sized teens can usually get the bike to top speed, heavier riders might experience slightly slower acceleration & lower overall speed. That is part of the reason why 49cc dirt bikes are not suitable for adults.
Cheak Our 10 Top Gas Powered Dirt Bikes In 2025
How fast is a 49cc dirt bike depends on various factors; however, speed varies between 20 to 30 mph.
With relatively smooth and flat I dirt tracks, this bike can really stretch its legs. But, of course, riding on GRASS, MUD, SAND, or UPHILL TRAILS puts extra demand/strain on the engine and causes you to lose speed.
Caution, These vehicle are only for controlled environments and are not indestructible.
The majority of 49cc dirt bikes are in the form of a 2-stroke engine, leading to faster acceleration and a slightly higher top speed.
Not only are these engines much lighter, for their size they are more powerful. Some models have 4-stroke engines, which tend to run quieter and burn less gas, but make the jets a hair slower.
4-stroke motorcycles are a favourite among parents and beginners, because maintenance is easier than on 2-stroke bikes and power is more manageable.
Safety in 49cc Dirt Bikes Manufacturers build 49cc dirt bikes with safety as a top priority. The funny gearing is also tuned not for maximum top-end speed but gentler acceleration.
The tiny wheels, diminutive wheelbase and flimsy frame are supposed to make the bike easier to manage.
These are design decisions that makes it easier for beginners to get a feel for the bike, and will place limits on how fast they can go.
Some riders decide to do performance mods on their 49cc dirt bike, adding things like aftermarket exhausts, high-flow air filters and upgraded carburetors.
When well-tuned, these bikes can see speeds up to 35 to 40mph. But faster speeds add safety hazards, engine wear and maintenance expense. In a Child, Usually, for children in a stock configuration.
A 49cc dirt bike is more than fast enough for your child and regardless of the make, budget brand model or not, it will be capable of allowing them to tear up the tracks.
The speed of the ride is such that riders get to have a fun time and learn some valuable techniques including braking, throttle control and balance.
This is out not for competition or fast riding but excellent training bike.
Even at 25-30 miles per hour, crashes can result in severe injuries without the proper safety precautions.
A helmet, gloves, knee pads and boots should always be worn by the rider. Numerous 49cc off-road bikes are designed with throttle stops or speed limiters which parents can adjust to control how fast the bike will move while that young rider is learning.
49cc models are much slower than dirt bikes that come with a lot more cc. 110cc or 125cc dirt bikes can certainly hit extremely high speeds,
but getting the basics down on a 49cc model allows new riders to ride in a safe environment when the learning curb will be as gentle as possible instead of doing so on a much more powerful machine.
The average 49cc dirt bike has a top speed of between 25 and 30 miles per hour, while the larger ball bearing high RPM bearings may allow for higher speeds.
It might not be the fastest, but it has just the right mix of fun and safety and learning.
With the right guidance and appropriate safety equipment, a 49cc dirt bike is one of the best introductions to off-road riding.
