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When considering purchasing a 70cc dirt bike, one of the first questions likely to cross your mind is: How fast can this thing go?
Whether you are shopping for the ideal electric motorcycle for yourself or looking for a bike for your child, it is vital to know how fast a 70cc dirt bike can be.
These bikes are an excellent way for younger or beginners to start riding. Yet, they provide enough power for a fun adventure on the trails.
This guide will give you all the information you need about how fast a 70cc dirt bike can travel and its effects. We will also cover how you can increase its speed further if necessary and any steps you should take if you desire to push it further.
Let's dive in and get you all of the info you require!
Average Top Speed of a 70cc Dirt Bike
Here's the short answer to the big question: most 70cc dirt bikes can reach speeds between 25 and 40 mph.
Though it may not sound fast enough on paper, it feels fast enough when riding over uneven terrain!
Different models offer differing top speeds; for instance, one of the more popular 70cc bikes out there, the Honda CRF70F, can reach roughly 30mph.
Conversely, other brands like SSR or TaoTao might push closer to 35-40 mph speeds.
Stay caught up in numbers. However, the thrill of riding a 70cc dirt bike lies in its speed, lightness, manoeuvrability, and enjoyment.
These bikes are ideal for learning the ropes or having fun on off-road trails without going too far.
Factors Influencing the Speed of a 70cc Dirt Bike
While average speeds for 70cc dirt bikes typically fall within 25-40 mph ranges, several factors can impede how quickly this bike actually travels.
Let's break them down:
Engine Power and Tuning
Your bike's engine is at its core; therefore, it should always perform optimally with proper maintenance.
But beyond maintenance, how your bike is tuned can make an enormous difference.
Some riders opt to tweak their carburettor or exhaust system to increase power production from their engine.
These tweaks may increase your speed, but they're only sometimes necessary if you're just starting.
Rider’s Weight
Unbeknownst to many riders, your weight immensely affects how fast your dirt bike travels.
Lighter riders typically reach higher top speeds due to less weight for the engine to push around.
If you are heavier, don't be surprised if your 70cc bike doesn't quite reach the higher speeds range.
Terrain and Riding Conditions
Your terrain and riding conditions matter just as much when selecting your bike ride. On smooth, flat surfaces like a dirt track or paved road, your speed can increase significantly more than on rough trails or through muddy conditions.
Your bike must work harder on rough terrain, naturally slowing it down.
Weather Conditions
While you might not think about it, weather can also affect how fast your bike moves.
Depending on whether it blows against or with you, wind can either slow you down or give you an added boost.
Temperature and humidity can both dampen engine performance, so on an extremely humid day, your bike may feel less lively than it does under cooler conditions.
Read more: How Fast Do 50cc to 150cc Mopeds Really Go? Find Out!
Comparing 70cc Dirt Bikes to Other Engine Sizes
To help show how a 70cc dirt bike compares with other engine sizes, here is a brief breakdown:
50cc vs. 70cc Dirt Bikes
50cc dirt bikes are typically designed to meet the needs of younger children or newcomers to the sport.
Its top speed usually ranges between 20-30 mph. If you have more experience or desire something with more power, the 70cc is an excellent upgrade option.
70cc vs. 90cc Dirt Bikes
A 90cc dirt bike can reach 40-50 mph speeds, providing more power for more experienced riders.
If 70cc bikes aren't immensely fulfilling your needs, upgrading to a 90cc motorcycle may be the next logical step.
| Category | Top Speed (mph) | Best For | Control & Handling |
|---|---|---|---|
| 50cc Dirt Bike | 20-30 mph | Younger kids or absolute beginners | Very easy to control, slower speeds |
| 70cc Dirt Bike | 25-40 mph | Kids aged 7-12 or beginner adults | Balanced control, manageable for beginners |
| 90cc Dirt Bike | 40-50 mph | More experienced riders or those ready for more power | More challenging, faster speeds |
Who’s the 70cc Dirt Bike For?
A 70cc dirt bike is designed for younger riders aged 7-12 and novice riders of any age who seek an approachable and enjoyable riding experience.
Fast enough to be fun and manageable, this bike provides the ideal transition from 50cc bikes to something more significant.
Enhancing the Speed of a 70cc Dirt Bike
Have you become comfortable riding your 70cc dirt bike but are itching for something extra speedy? Try these tips to enhance its speed.
The good news is that there are simple strategies for increasing your bike's speed without doing anything extreme.
Upgrading the Exhaust System
A straightforward way to boost performance is by upgrading the exhaust system.
Performance exhausts help the engine breathe better, improving speed and acceleration.
Plus, it can make your bike sound pretty cool!
Tuning the Carburetor
Tweaking the carburettor on your bike can provide you with extra power.
Adjusting the air-fuel mixture allows your engine to run more efficiently.
If you need help, it is best to contact a mechanic for guidance rather than trying to do this alone.
Utilizing Premium Fuel
This one's straightforward: using higher-octane fuel can make your engine run smoother and give you a slight performance boost.
Not that it will substantially impact, but every little bit counts!
Changing the Gearing
Altering the gear ratios on your bike can affect its top speed.
Acceleration can be increased with larger rear sprockets, while decreases may increase top speeds.
This approach may require more advanced knowledge, but it should still be considered if you want to increase your bike's performance.
Safety Considerations for Higher Speeds
Safety should always come first when increasing bike speeds.
Here are a few key points to bear in mind:
Always Wear Protective Gear
Always wear appropriate protective equipment, no matter the speed (or slowness) of your travels.
Helmets are essential, but gloves, boots, and body armour are just as critical when riding off-road, where accidents may be more likely to happen unexpectedly.
Riding Skills and Experience
Speed can be exhilarating, but be wary that your riding abilities match your bike's.
If you're new to dirt bikes, get acquainted with them at lower speeds before pushing their limits.
Riding fast can be fun, but only if done safely.
Legal Regulations
Be mindful of local regulations! Some locations impose speed limits or restrictions on where riding your dirt bike is legal.
Ride within the law and always within legal boundaries to avoid fines or having your bike impounded.
Conclusion
So, how fast does a 70cc dirt bike go? On average, speeds typically fall within the 25-40 mph range, which is enough for most beginners or younger riders.
But remember: speed isn't everything! These bikes are meant to be fun, easy-to-handle rides, great for beginners entering the sport.
Whether it's for riding trails, racing around tracks, or simply enjoying nature - a 70cc dirt bike is an excellent way to experience them all!
If you ever require more speed, you can make a few modifications to increase it even further.
Just remember to stay safe, have fun and relish every minute of the journey!
FAQs
How fast can a 70cc dirt bike go?
Most 70cc dirt bikes can reach speeds between 25 and 40 mph.
Is a 70cc dirt bike good for beginners?
Yes, 70cc bikes are perfect for younger riders and beginner adults due to their manageable speed and control.
Can you make a 70cc dirt bike faster?
Yes, by upgrading the exhaust, tuning the carburetor, or adjusting the gear ratios, you can increase speed.
