Upgrade Your Ride: Exploring the World of Motor Bikes for Bicycles

Are you looking to add some power to your bicycle? At usabikers.net, we offer the most extensive selection of motor bikes for bicycles available anywhere. Whether you’re seeking an affordable entry into the world of motorized bikes or the highest quality engine kit your money can buy, we have the perfect solution to transform your regular bicycle into a powerful motor bike. Our catalog features four primary categories of bicycle motor kits: the legally-conscious 48cc 2-Stroke, the popular and versatile 80cc 2-stroke, and the reliable 4-Stroke options. Let’s delve into a brief overview of each type of engine kit to help you find the ideal motor bike for your needs.

48cc 2-Stroke Motorized Bicycle Kits: Stay Legal and Enjoy the Ride

Our 48cc motor bike kits are designed with the legally-minded rider in mind. Many regions have a 50cc legal limit for motorized bicycles, allowing you to ride without the need for a license, registration, or insurance. The 48cc engine keeps you within these legal boundaries, making it a particularly popular choice for riders who prioritize legal compliance while enjoying the benefits of a motor bike.

You might assume a 48cc engine is significantly less powerful than a 66cc or 80cc counterpart. However, 48cc motors often deliver a smoother ride and can achieve higher revolutions. This translates to potentially less low-end torque but comparable top speeds to larger displacement engines. For those seeking a legally compliant and efficient motor bike, the 48cc 2-stroke kit is an excellent option.

80cc/66cc 2-Stroke Motorized Bicycle Kits: The Best-Selling Motor Bike Choice

The 80cc 2-Stroke motor bike kit, often referred to as 66cc, stands as our top-selling engine kit, and for good reason. It strikes a perfect balance of affordability, performance, and ease of use, making it a favorite among motor bike enthusiasts.

Advantages of 80cc/66cc 2-Stroke Motor Bike Kits:

Budget-Friendly: This is the most affordable motor bike kit available, with prices starting as low as $139. It’s an economical way to experience the thrill of a motorized bicycle.
Easy to Repair: Simplicity in design means almost every part of this motor bike engine kit is easily replaceable. This makes maintenance and repairs straightforward, even for beginners.
Highly Customizable: We offer a vast range of aftermarket parts to personalize and boost the performance of your 80cc motor bike kit. From performance exhausts to upgraded carburetors, the customization possibilities are endless.
High Torque: These kits offer the highest torque relative to their engine size compared to other motor bike options. This translates to strong acceleration and hill-climbing ability.
Simple Troubleshooting: The straightforward nature of this motor bike engine makes troubleshooting issues relatively easy. Problems can typically be traced to the carburetor, electrical components (magneto, CDI, or spark plug), or engine compression.

Disadvantages of 80cc/66cc 2-Stroke Motor Bike Kits:

Regular Maintenance Required: 2-stroke engines produce significant vibration. Therefore, it’s crucial to inspect all bolts and hardware before each ride to ensure everything is secure and prevent issues.
Carburetor Tuning: Fine-tuning the carburetor’s air/fuel mixture might be necessary, especially to adjust for differences in altitude and atmospheric conditions in your area.
Oil and Fuel Mixing: 2-stroke engines require pre-mixing oil with gasoline, unlike 4-stroke engines.
Engine Flooding Potential: Improper carburetor adjustment or failure to turn off the fuel during storage can lead to engine flooding, making it difficult to start.

BikeBerry offers two distinct brands within the 66/80cc 2-Stroke motor bike kit category:

Mega Motors: Budget-Conscious Motor Bike Performance

The Mega Motors line represents our entry-level, budget-friendly motor bike kits. If you’re seeking a cheap bicycle engine kit without sacrificing reliability, Mega Motors is an excellent choice. Despite their affordability, these engines are robust and dependable, outperforming many competitors in their class. Mega Motor engines come standard with upgrades typically found in higher-tier engines, including:

High-grade needle bearings at both ends of the crankshaft for increased durability and smoother operation.
Factory-balanced crankshaft, reducing vibrations and enhancing engine longevity.
High-grade ball bearing used on the main bearing for improved engine stability.
Heavy-duty 415H chain, stronger than the standard 410 bike chain used by many other brands, ensuring reliable power transfer.
Industry-leading 6-month warranty, providing peace of mind and demonstrating our commitment to quality.

BBR Tuning: Premium Quality Motor Bike Kits

The BBR Tuning line of motor bike kits is fully upgraded and considered the pinnacle of quality in the market. Building upon the features of Mega Motors, BBR Tuning 2-Stroke engines include even more enhancements:

Complete upgrade to Grade 8, ultra-strong steel hardware throughout the engine, significantly improving durability and resistance to vibration-related issues.
Allen key head bolts replace standard bolts, allowing for proper torque application and reducing the risk of stripping, critical for maintaining engine integrity.
Enlarged intake and exhaust ports with 40mm intake stud spacing (compared to 30mm in Mega Motors and competitors) for increased airflow into the combustion chamber, resulting in enhanced power.
Upgraded 8mm diameter motor mount studs (compared to 6mm in Mega Motors and competitors). This crucial upgrade addresses the common issue of 6mm studs breaking due to 2-stroke engine vibrations, especially if improperly mounted or over-tightened.
Proprietary open transfer port design in the cylinder body, unique to BBR Tuning engines. This design optimizes airflow into the combustion chamber, delivering more power than comparable 80cc engines and reducing piston ring drag by 30%, extending engine life.

BBR Tuning Racing Series: Unleash Maximum Motor Bike Performance

The Racing Series motor bike kit line is specifically engineered for those seeking ultimate performance and competitive edge on the track. Starting with the fully upgraded BBR Tuning motor bike kit, the Racing Series incorporates top-tier performance parts proven to maximize motorized bike capabilities. Choose from four stages to tailor your motor bike to your racing ambitions:

Stage 1 Kit: BBR Tuning Motorized Bike Kit + CNC billet high compression head for increased power and efficiency.
Stage 2 Kit: Stage 1 Kit + Speed Carburetor + Stage 1 CDI + High Velocity Intake Filter for enhanced fuel delivery, ignition, and airflow, further boosting performance.
Stage 3 Kit: CNC billet high compression head with extra-large heat sinks for improved cooling + HP Carburetor + Stage 1 CDI with High Velocity Intake Filter + NGK Spark Plug for optimized combustion and heat management, crucial for sustained high performance.
Stage 4 Kit: Stage 3 Kit + High Performance Expansion Chamber. The ultimate upgrade for maximizing exhaust flow and engine power, delivering peak racing performance.

BBR Tuning 2-Stroke Specialty Line: Innovative Motor Bike Designs

The Specialty Line of BBR Tuning motor bike kits showcases unique and innovative designs, catering to specific rider preferences and needs:

BBR Tuning Dragon Fire: This motor bike kit features Capacitor Discharge Ignition (CDI) integrated directly into the engine. Positioning the magneto coil adjacent to the CDI minimizes electrical resistance, resulting in a stronger spark from the spark plug and improved ignition reliability.
BBR Tuning Bullet Train: The Bullet Train engine is the most feature-rich motor bike kit on the market. Notably, it’s the only bicycle motor kit with built-in electric start. Enjoy the convenience of push-button starting, just like a traditional motorcycle!

4-Stroke Bike Motor Kits: Reliability and Efficiency for Motor Bikes

Renowned for their consistent reliability, 4-stroke bicycle engine kits are the preferred choice for those seeking a motor bike for commuting or long-distance riding. They offer a different riding experience compared to their 2-stroke counterparts.

Advantages of 4-Stroke Motor Bike Kits:

Higher Torque at Lower RPMs: 4-stroke motor bike motors generate greater torque at lower engine speeds compared to 2-stroke engines. This translates to strong low-end power and smooth acceleration from a standstill.
Quieter Operation: 4-stroke motor bike motors are significantly quieter than 2-stroke engines, providing a more discreet and enjoyable riding experience, especially in residential areas.
Improved Fuel Efficiency: 4-stroke engines are more fuel-efficient than 2-stroke motor bike motors, allowing for longer rides on a single tank of gas and saving you money on fuel costs.
Increased Reliability and Durability: 4-stroke engines are generally more reliable and durable than 2-stroke engines due to their more complex but robust design and better lubrication.
Separate Oil Reservoir: 4-stroke motor bike engines have a dedicated oil reservoir, eliminating the need to mix oil and fuel, simplifying operation and maintenance.

Disadvantages of 4-Stroke Motor Bike Kits:

Higher Initial Cost: 4-stroke motor bike motors typically have a higher starting price compared to 2-stroke kits, reflecting their more complex engineering and features.
More Complex Repairs: The intricate design of 4-stroke bicycle gas motor kits makes repairs more challenging and potentially more expensive compared to the simpler 2-stroke engines.
Lower Power Output: 4-stroke motor bike engines generally produce less raw power than comparable 2-stroke engines of the same displacement, although they often compensate with better torque characteristics.

BikeBerry offers two distinct styles of 4-stroke motor bike kits to suit different bicycle frames and riding preferences:

Center Mount Bike Motors: Traditional Motor Bike Aesthetics

The center mount configuration is the most popular 4-stroke motor bike design due to its classic and integrated appearance. As the name suggests, the motor is mounted within the center “V” of the bicycle frame. Power is delivered via a chain to a sprocket attached to the rear wheel, providing efficient and direct power transfer. Center mount motor bike kits are available in two variations:

49cc BBR Tuning 5G Motorized Bike Kit: This kit features a Huasheng 49cc engine, a clone of the highly regarded and reliable Honda GXH50. The dual-chain transmission design optimizes torque transfer and minimizes power loss, making it a highly efficient motor bike option.
79cc BBR Tuning “The Beast” Bike Motor Kit: As the name implies, “The Beast” is the largest and most powerful 4-stroke engine we offer. Due to its size, it is recommended for use with beach cruiser style bikes or frames with a larger central opening to accommodate the engine. This kit delivers substantial power for demanding motor bike applications.

Rear Mount Bike Motors: Easy Installation Motor Bike Solution

Rear mount friction drive motor bike kits are the ideal choice for those prioritizing ease of installation and user-friendliness. These kits can be installed in under an hour, making them perfect for quick motor bike conversions. However, due to the friction drive design, where a grooved spindle rotates the rear wheel directly, there can be some power transfer loss compared to chain-driven systems. This configuration is available with 38cc and 49cc motor sizes. The 38cc is well-suited for pedal-assist motor bike applications, providing a boost to your pedaling effort, while the 49cc offers more power for those seeking a more capable motor bike experience.