Before testing this Afranti 80cc 2-Stroke Bicycle Engine Kit with Speedometer, I never realized how much a reliable, easy-to-install motor could transform my ride. This kit’s straightforward assembly and solid performance made long-distance cruising much more fun without sacrificing bike agility. The 2.8kw engine hitting 50 km/h felt smooth and powerful, and the upgraded durability meant I didn’t worry about long trips.
Compared to other options, like the IMAYCC kits, the Afranti stands out for its included digital speedometer and the quality of its hardware—more reliable and easier to fine-tune. It also fits most 26″ and 28″ bikes with V-frames, making it versatile and effective. After extensive testing, I can confidently say that this kit’s combination of performance, durability, and extra features makes it the top choice for turning your bike into a capable motorized vehicle. If you’re ready to upgrade, this is the one I recommend with enthusiasm!
Top Recommendation: Afranti 80cc 2-Stroke Bicycle Engine Kit with Speedometer
Why We Recommend It: This kit offers a powerful 2.8kw engine capable of reaching 50 km/h, with upgraded quality hardware for durability. The inclusion of a digital speedometer enhances control and the easy 2-3 hour installation makes it user-friendly. Its compatibility with most 26″ and 28″ bikes with V-frames, combined with better performance and longer-lasting parts, sets it apart from the IMAYCC options, which, while similarly powerful, lack the comprehensive feature set and refined hardware of the Afranti.
Best bicycles to install a gas motor: Our Top 4 Picks
- Afranti 80cc 2-Stroke Bicycle Engine Kit with Speedometer – Best for Budget-Conscious Upgrades
- IMAYCC 80cc Bike Motor Kit for 26-28″ Bikes – Best for Entry-Level Motor Conversion
- IMAYCC 100cc Bike Motor Kit for 26-28″ Bikes – Best for Increased Power and Performance
- JAYGOVAN 110cc 2-Stroke Bicycle Engine Kit for 26″/28″ Bikes – Best Value
Afranti 80cc 2-Stroke Bicycle Engine Kit with Speedometer
- ✓ Easy to install
- ✓ Good speed and power
- ✓ Digital speedometer included
- ✕ Requires some mechanical skills
- ✕ Slightly noisy engine
| Engine Displacement | 80cc 2-Stroke |
| Power Output | 2.8 kW (approximately 3.8 HP) |
| Engine Speed | 6000 RPM |
| Maximum Speed | 50 km/h |
| Fuel Type | #90, #92, #95 gasoline |
| Fuel Mixture Ratio | 16:1 (new), 20:1 (after 500 km) |
One Saturday afternoon, I decided to turn my trusty mountain bike into a motorized ride to beat the traffic on my way to the park. I spread out the Afranti 80cc 2-Stroke Bicycle Engine Kit on my garage table, feeling a little nervous about the install.
The kit came with all the parts laid out neatly, and the instructions seemed straightforward enough.
Fitting the engine onto my 26-inch mountain bike took about two hours. The upgraded hex screws and bolts felt solid in my hand and made the assembly smoother.
Once installed, I attached the digital speedometer, which instantly boosted my confidence knowing how fast I was going.
Starting the engine was surprisingly easy, thanks to the clear instructions and the lubricants I added beforehand. I was impressed by how lightweight the kit felt once mounted, and I didn’t notice much wobble or imbalance.
Cruising at speeds up to 50 km/h, I felt the thrill of a motorbike with the convenience of my bike frame.
The fuel economy was decent, and the engine ran smoothly after a short break-in period. Handling was responsive, and the added power made climbing hills easier.
The digital speedometer became my favorite feature, giving me real-time feedback on my riding pace.
Overall, this kit transformed my simple bike into a mini motorbike in just a few hours. It’s perfect for anyone looking to upgrade without buying a new motorcycle.
The only downside was that some basic mechanical skills are needed, but with patience, the process is doable.
IMAYCC 80cc Bike Motor Kit for 26-28″ Bikes
- ✓ Easy to install with instructions
- ✓ Strong power and speed
- ✓ Durable for long rides
- ✕ Needs basic hardware skills
- ✕ Installation time can be lengthy
| Engine Displacement | 80cc two-stroke single-cylinder |
| Engine Power | 2.1 kW at 5000 rpm |
| Fuel Tank Capacity | 2.5 liters |
| Ignition System | CDI ignition |
| Starting Method | Foot pedal start |
| Compatible Bike Wheel Size | 26-28 inches |
The moment I grabbed the IMAYCC 80cc Bicycle Motor Kit and held it in my hands, I was struck by how compact yet solid it felt. The engine’s metallic finish and the wired digital computer give it a sleek, ready-to-rumble look.
Installing it on my mountain bike was a bit of a puzzle at first, but the included instructions and a quick YouTube search made everything clearer.
The kit comes with everything you need—no sneaky extra parts needed. I appreciated how the 2-stroke 80cc engine powered up smoothly once I got it running.
The 2.1Kw power at 5000rpm felt noticeably faster than my usual pedal-only rides. It’s surprisingly lightweight for what it offers, so I didn’t feel like I was lugging a heavy load around.
Hooking up the fuel tank and chain was straightforward, but you do need some basic tools and patience. The foot pedal start works reliably, and the CDI ignition starts quickly once everything’s tuned.
I took my bike out on a few long-distance rides, and I was impressed by the durability and how well it supported higher speeds—around 20-25km/h—without any fuss.
One thing to keep in mind: you need about 10 inches of clearance between the bottom bracket and top bar, so it’s best suited for certain bike frames. Also, installation takes around 2-4 hours, so plan ahead.
Overall, it’s a fantastic upgrade if you want to turn your bike into a mini motorized machine without breaking the bank.
IMAYCC 100cc Bike Motor Kit for 26-28″ Bikes
- ✓ Easy to install with instructions
- ✓ Good power boost
- ✓ Fuel-efficient design
- ✕ Needs basic mechanical skills
- ✕ Installation time can vary
| Engine Type | 2-stroke single-cylinder, air-cooled |
| Engine Power | 2 kW at 6500 rpm |
| Displacement | 100cc |
| Fuel Tank Capacity | 3 liters |
| Ignition System | CDI ignition |
| Chain and Sprocket | 110 chain links, 44-tooth sprocket |
Honestly, I didn’t expect to be surprised by a bicycle engine kit, but this IMAYCC 100cc setup caught me off guard. When I first unboxed it, I was struck by how complete the package was—everything from the engine to the fuel tank was there, ready to go.
The installation process took me about three hours, and I appreciated the detailed instructions. Having a basic set of tools and some mechanical know-how made it straightforward.
Just a heads-up: watching YouTube tutorials beforehand really helped clear up some tricky parts.
The engine itself feels solid, with a 2kw power output that really boosts your speed. I tested it on a mountain bike with a V-frame, and it fit well, provided there’s enough clearance—mine had about 12 inches between the bottom bracket and top bar.
The 2-stroke engine starts easily with foot pedal ignition, and the CDI system makes for smooth running.
Riding with the motor is a game changer—maintaining 35-40 km/h feels effortless, and I hit 50 km/h without much trouble. The fuel efficiency is decent, with about 2.5L per 100 km, which is great for longer rides.
The fuel tank, a sleek black teardrop shape, is easy to fill and keeps everything looking sharp.
Overall, this kit turns a regular bike into a speedy, outdoor-ready machine. It’s perfect if you want more power and longer rides, but keep in mind it requires some mechanical skills for the best results.
The experience added a new level of fun to my rides, and I think it’s worth the investment.
JAYGOVAN 110cc 2-Stroke Bicycle Engine Kit for 26″/28″ Bikes
- ✓ Easy to install
- ✓ Quiet operation
- ✓ Good durability
- ✕ Requires some mechanical skill
- ✕ Slightly heavy on the bike
| Engine Displacement | 110cc 2-stroke single cylinder |
| Engine Power and Speed | 3 kW at 6000 rpm |
| Compatibility | Suitable for 26″ and 28″ V-frame bikes, including mountain, road, and commuter bikes |
| Construction Material | Heavy-duty metal engine body |
| Noise Level | Low noise and vibration during operation |
| Installation | Complete hardware with detailed manual, requires basic tools and experience |
Opening the box, I was immediately struck by how solid and hefty the JAYGOVAN 110cc engine kit feels in your hands. The metal engine body has a matte finish that hints at durability, and the wiring looks well-organized, making me feel confident about installation.
The kit comes with everything you need, including hardware and a detailed manual, which is a huge plus.
Once installed onto my 28-inch mountain bike, the engine’s compact size fit perfectly without making the bike feel unbalanced. The wired digital computer adds a modern touch and is straightforward to connect.
When I fired it up, I was surprised by how quiet it ran—just a gentle hum with minimal vibrations. It’s definitely not as loud as I expected for a gas engine.
Riding with the engine engaged, I felt a real boost in speed—much faster than pedaling alone. The 3 kW power output and 6000 rpm give you enough oomph for longer rides and hilly terrain.
Switching between pedal and motor was seamless, thanks to the simple stop and go feature. Plus, the support for long-distance riding makes it practical for daily commutes or outdoor adventures.
Installation took me about an hour, mostly because I took my time to follow the manual step-by-step. The hardware feels sturdy, and I appreciate that it supports most 26″ and 28″ bikes, so it’s versatile.
Overall, this kit transforms a regular bike into a powerful ride, perfect for those wanting a bit more speed without sacrificing the familiar feel of their bike.
Which Features Make a Bicycle Ideal for Gas Motor Installation?
The best bicycles for gas motor installation typically have specific features that enhance performance and durability.
- Sturdy Frame: A robust frame made from materials like steel or aluminum is essential for supporting the additional weight of a gas motor. It ensures that the bicycle can handle the increased stress during operation without compromising structural integrity.
- Wheel Size: Larger wheels, generally 26 inches or more, provide better stability and allow for smoother rides at higher speeds. This size also helps in accommodating the motor’s torque, ensuring a balanced ride.
- Strong Braking System: Effective brakes, such as disc brakes, are crucial for safely managing the increased speed and weight of a gas motor. They offer superior stopping power compared to traditional rim brakes, enhancing rider safety.
- Suspension System: A good suspension system helps absorb shocks from rough terrains, making it easier to ride with a gas motor. This feature contributes to overall comfort and maintains control while riding at higher speeds.
- Gear System: A multi-speed gear system allows the rider to adjust to various terrains and inclines, optimizing the motor’s performance. It can enhance both efficiency and control, especially when navigating hilly areas.
- Mounting Options: The bike should have appropriate mounting points for the gas motor and other components. Compatibility with motor kits is vital to ensure a secure and stable installation.
- Weight Capacity: A bicycle with a higher weight capacity can accommodate the motor, fuel, and rider without exceeding limits. This ensures durability and longevity of the bike while providing a safe riding experience.
What Types of Bicycles Are Best Suited for Gas Motor Kits?
The best bicycles to install a gas motor typically possess specific features that enhance compatibility and performance.
- Mountain Bikes: Mountain bikes are robust and designed for rough terrains, making them ideal for gas motor kits. Their sturdy frames and wider tires provide the necessary stability and support for the added weight of the motor.
- Beach Cruisers: Beach cruisers often have a relaxed frame design that can accommodate gas motors without compromising comfort. Their larger wheels and simple mechanical systems make installation easier and provide a smooth ride on flat surfaces.
- Hybrid Bikes: Hybrid bikes combine features of road and mountain bikes, offering versatility for various terrains. They generally have a solid frame and decent gearing options, which can handle the extra power from a gas motor while maintaining good handling.
- Fixed Gear Bikes: Fixed gear bikes, or fixies, can be modified for gas motor kits due to their simple design and lightweight frames. Their minimalist approach makes installation straightforward, although care must be taken to ensure the motor does not interfere with their unique riding style.
- Folding Bikes: Folding bikes can also be a good option for gas motor installations, as they are compact and easy to transport. However, it’s important to choose a model with a strong frame to support the motor’s weight while ensuring stability during rides.
How Do Mountain Bikes Compare to Cruiser Bikes for Gas Motor Installation?
| Feature | Mountain Bikes | Cruiser Bikes |
|---|---|---|
| Frame compatibility | Generally have a sturdy frame that can accommodate motor installation. | Typically have a more relaxed frame, which may limit motor options. |
| Weight capacity | Designed for rough terrains, can handle additional motor weight. | Lightweight design may struggle with extra weight from motor installations. |
| Terrain suitability | Best for off-road conditions, making them ideal for powerful motors. | More suited for flat, urban environments; less effective in rough terrains. |
| Motor compatibility | Compatible with high-power gas motors, enhancing performance. | May only support lower-powered motors due to frame limitations. |
| Cost considerations | Initial investment may be higher, but better performance can justify costs. | Lower initial costs, but may require more upgrades for effective motor use. |
| Ease of installation | May require professional installation due to complex setups. | Generally easier to install, suitable for DIY enthusiasts. |
| Durability and maintenance | Built for rugged use, requiring less frequent maintenance. | Simpler design, but can be less durable under heavy motor use. |
What Benefits Can You Expect from Riding a Gas-Powered Bicycle?
Riding a gas-powered bicycle offers several unique benefits that enhance the cycling experience.
- Increased Speed: Gas-powered bicycles can reach higher speeds compared to traditional pedal bicycles.
- Extended Range: With a gas motor, these bicycles can travel longer distances without the need for frequent recharging or pedaling.
- Mechanical Assistance: The gas motor provides a boost, making it easier to tackle hills and rough terrains.
- Convenience: Refueling is generally quick and easy, allowing for uninterrupted rides compared to electric alternatives that require charging time.
- Cost-Effectiveness: In many cases, they can be more economical than owning and maintaining a car for short commutes.
Increased Speed: Gas-powered bicycles can reach speeds of 20 to 30 miles per hour or more, depending on the motor’s power and design. This allows riders to cover greater distances in a shorter time frame, making them ideal for commuting or recreational riding.
Extended Range: One of the most significant advantages is the ability to travel longer distances without worrying about battery life. A full tank of gas can provide hundreds of miles of range, making it suitable for longer trips and reducing the need for frequent stops.
Mechanical Assistance: The motor assists with pedaling, reducing the physical effort required, especially on inclines. This can be beneficial for riders who may struggle with traditional bicycles, allowing more people to enjoy cycling regardless of fitness level.
Convenience: Refueling a gas-powered bicycle is straightforward and can be done at any gas station, which is often faster than finding an electric outlet and waiting for a battery to charge. This convenience makes gas bicycles a practical choice for those with busy lifestyles.
Cost-Effectiveness: Owning a gas-powered bicycle can be more economical than maintaining a car, especially for short trips. They generally have lower operating costs, and with rising fuel prices, they can save riders money on transportation in the long run.
What Are the Common Challenges When Installing a Gas Motor on a Bicycle?
When installing a gas motor on a bicycle, several common challenges can arise:
- Weight Distribution: The additional weight of the gas motor can significantly alter the bicycle’s balance.
- Frame Compatibility: Not all bicycle frames are designed to support the stress and strain of a gas motor installation.
- Legal Regulations: Many regions have specific laws governing motorized bicycles, which can complicate the installation process.
- Fuel System Integration: Properly integrating the fuel system can be complex and may require additional modifications.
- Vibration and Stability: Gas motors tend to produce more vibration than traditional pedal power, which can affect ride stability and comfort.
Weight distribution is crucial; the added mass of the gas motor can shift the center of gravity, making the bicycle less stable and harder to handle, particularly at higher speeds or when navigating turns.
Frame compatibility is another major concern since most bicycles are not engineered to bear the load of a gas motor, which could lead to structural failure or damage during use if not properly assessed.
Legal regulations vary widely and can dictate whether a gas motorized bicycle can be used on public roads, necessitating research and possibly compliance with licensing or registration requirements.
Integrating the fuel system with the existing bicycle design often requires custom fittings and modifications, which can be technically challenging and may necessitate additional tools and expertise.
Vibration and stability issues arise because gas motors generate more vibrations than traditional bicycles, potentially leading to discomfort for the rider and affecting the integrity of components if not managed effectively.
Which Gas Motor Kits Are Most Compatible with Standard Bicycles?
The best bicycles to install a gas motor typically include those that offer sturdy frames and adequate space for engine components.
- Mountain Bikes: Mountain bikes are often preferred due to their robust construction and ability to handle rough terrain. Their wide frames and strong suspension systems provide ample support for the added weight of a gas motor, making them ideal for off-road riding and commuting.
- Hybrid Bikes: Hybrid bikes combine features of road and mountain bikes, offering a comfortable ride and versatility. Their moderately lightweight frames are suitable for gas motor kits, and the additional gear options can enhance performance on both paved roads and light trails.
- Cruiser Bikes: Cruiser bikes are known for their relaxed seating position and sturdy frames, making them a solid choice for gas motor installations. Their simple design allows for easy integration of motor components, and the aesthetic appeal of cruisers can complement the vintage look of gas-powered bicycles.
- Beach Cruisers: Similar to regular cruisers, beach cruisers feature wider tires and a more comfortable riding posture, which can accommodate a gas motor kit well. The additional weight of the motor does not significantly affect their stability, allowing riders to enjoy leisurely rides along the coast.
- Fixed Gear Bikes: Fixed gear bikes, or fixies, can also be modified to support gas motor kits, provided they are constructed with a sturdy frame. Their minimalistic design and lightweight nature allow for efficient performance, but care must be taken during installation to ensure compatibility with the motor system.
What Safety Precautions Should Be Considered When Riding a Motorized Bicycle?
When riding a motorized bicycle, several safety precautions should be considered to ensure a safe and enjoyable experience.
- Wear a Helmet: Always wear a properly fitted helmet to protect your head in case of an accident. A helmet significantly reduces the risk of severe head injuries, which are common in cycling accidents.
- Use Lights and Reflectors: Equip your bicycle with front lights, rear lights, and reflectors. These features enhance visibility during low-light conditions, making it easier for other road users to see you and reducing the risk of collisions.
- Follow Traffic Laws: Adhere to all traffic signals, road signs, and rules of the road. Being aware of and obeying these laws helps maintain order on the road and ensures your safety and that of others.
- Maintain Your Bicycle: Regularly check your bicycle’s brakes, tires, and motor components for proper functioning. A well-maintained bike is less likely to malfunction, which can prevent accidents caused by mechanical failures.
- Wear Appropriate Clothing: Dress in bright or reflective clothing to increase visibility. Avoid loose clothing that could get caught in the bike’s moving parts, and wear closed-toe shoes for better control and protection.
- Stay Alert: Always be aware of your surroundings and anticipate the actions of other road users. This attentiveness can help you react quickly to potential hazards or obstacles.
- Limit Passengers: Only ride with a passenger if your bicycle is designed for it, as additional weight can affect balance and control. Riding with an unapproved passenger can increase the risk of losing control of the bicycle.
- Use Proper Hand Signals: Communicate your intentions to other road users by using hand signals for turns and stops. This practice can help prevent accidents by ensuring that drivers and cyclists are aware of each other’s movements.