10 Best 100cc Bicycle Engine Kit [2025]
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Finding the best 100cc bicycle engine kit can transform your cycling experience, providing extra power and speed. These kits are designed to easily fit onto standard bicycles, making them a popular choice for enthusiasts looking to enhance their rides. In this article, we’ll explore the top 10 options available in the market for 2025, helping you make an informed decision.
Top 10 100cc Bicycle Engine Kit in the Market
Best 100cc Bicycle Engine Kit Review
Bestseller No. 1
IMAYCC Bike Motor Kit 100cc Motorized Bike Kit 2 Stroke Gas Bicycle Engine...
- 【Installation Notes】The rider will need basic hardware skills and tools, and about 2-4 hours of installation and fine tuning. If you are inexperienced or installing engine kit for the first time, please read our instructions and search "IMAYCC Bicycle Engine Kit" on Youtube before installation, it will give you a great help and solve a lot of problems during installation
- 【100cc Bicycle Engine Kit】Come with a complete engine kit, 2-stroke single cylinder gasoline engine, the engine power/speed is 2kw/6500rpm, so you can enjoy a faster riding speed, the upgraded bicycle has better durability and supports long-distance riding, make it easier to use outdoors
- 【100cc Bike Motor Kit】Engine type: single-cylinder, air-cooled, two-stroke, starting method: foot pedal starting, Ignition method: CDI ignition, number of sprocket teeth: 44 teeth, number of chain teeth: 110 knots, Spokes: 36
- 【Bicycle Motor Compatibility】IMAYCC bike engines are suitable for most 26-28" wheeled bikes (mountain bikes, cruisers, motorcycles, road bikes) with V-frames. There should be 10" and more clearance between the bottom bracket and top bar of the frame
- 【3L Black Teardrop Fuel Tank】Fuel type: 90#, Mixing Ratio of Fuel and engine oil: 16:1 for new equipment, 20: 1 the run-in period (after running 500km). Driving on a smooth road with a speed of 35-40km/h and a maximum speed limit of 50km/h, the fuel consumption is 2.5L per 100km
Bestseller No. 2
H-YEEU 26” 28” 2 Stroke 100cc Cycle Bicycle Gas Motorized Gasoline Engine...
- The perfect choice for upgrading from ordinary bicycles to electric bicycles, max speed can reach 60km/h,and the maximum load-bearing weight is 200kg,you can enjoy a faster riding experience
- Low fuel consumption: 3L/100km, very energy-saving and economical
- Oil mixing ratio: 16:1 when first used (the first 500 miles), 20:1 after a period of 500m used (18:1 in summer is better because of the hot weather)
- Fitment: Sliver 100cc 2-stroke engine kit will fit most 26" 28" Bicycle.Such as mountain bikes, road bikes,cruisers
- All necessary accessories are included to facilitate installation;1x exhaust muffler, 1xCDI assembly, 1x carburetor assembly, 1x clutch assembly, 1x spark plug, 1x exhaust pipe and so on
Bestseller No. 3
IMAYCC 100cc Bicycle Engine Kit 2 Stroke Motorized Bike Motor Conversion Kit Fit...
- 【DIY-Friendly Installation with Support】The rider will need basic tools and mechanical aptitude, and about 2-4 hours of installation and fine tuning. We strongly recommend reviewing our detailed instructions and searching "IMAYCC Bicycle Engine Kit" on YouTube before starting. This prep work significantly smoothens the process and helps avoid common installation hurdles
- 【Power Up Your Ride: 100cc Performance】Experience the thrill of enhanced speed and range. Come with a complete 100cc 2-stroke engine kit, delivering power/speed (2kw/6500rpm), converting your standard bicycle into a durable, long-distance capable machine. Perfect for extending your outdoor adventures and commuting with ease
- 【Engine Specs & Components】Engine type: single-cylinder, air-cooled, 2-stroke engine with CDI ignition and foot pedal start. Kit includes a rugged 44-tooth drive sprocket, 110 knots chain teeth, and 36-spoke wheel for strength. Engineered for consistent performance
- 【Broad Bike Compatibility】 Designed to fit most common 26-28" wheel bicycles featuring a V-frame design (ideal for Mountain, Cruiser, Road styles). Critical Requirement: Ensure at least 10 inches of clearance between your bike's bottom bracket and the top bar for proper fitment
- 【3L Black Teardrop Fuel Tank】For optimal performance and engine longevity: Use 90# fuel mixed 16:1 (fuel:oil) initially, shifting to 20:1 after the 500km break-in period. Driving on a smooth road with a speed of 35-40km/h and a maximum speed limit of 50km/h, the fuel consumption is 2.5L per 100km
Bestseller No. 4
AOWUAEG 100CC 4-Stroke Gasoline Engine,Bicycle Engine Kit,Bike Engine Kit Single...
- 1.Excellent Material：Bicycle motor kit adopts aluminum engine shell, iron fuel tank with baking paint, a 415# steel chain with prevention shot blasting process, and a nylon cover on the side of the engine, achieving a max bearing capacity of 440 pounds and ensuring superior performance. The high-quality aluminum, iron, and plastic material give it good hardness, wear resistance, and durability, allowing for long-term use.
- 2.Strong Power：The 4-stroke engine is more stable, more reliable, and quieter than the 2-stroke engine. 100cc bicycle engine kit engine boasts a robust 3.5HP horsepower, a displacement of 100cc, a rated power of 2kw/h, and a max rotating speed of 3600RPM, which provides you with strong power and accelerates your bike to a max speed of 50km/h. Allowing you to fully enjoy the fun of riding on your commute and short journeys.
- 3.Low Fuel Consumption： 4 stroke bicycle engine kit overhead valve is used, which effectively helps reduce carbon buildup and dramatically improves fuel savings.The air filter also improves air filtration performance and reduces wear, achieving a fuel consumption of around 0.66 gallons/100km and saving much money on fuel costs.
- 4.High Performance： 56mm bore cylinder increases the bearing capacity, and reduces the working temperature, making it easier to start, while providing continuous output over a range of speeds.The ergonomic T-shaped start handle provides a point of application of force for easy and comfortable starting. This bicycle engine kit only has slight noise (about 75dB) and vibration when used. You can use it in most outdoor environments without worrying about noise disturbance.
- 5.Premium Material:The bicycle petrol gas motor engine kit is made of high-quality aluminum, iron, and plastic material material. The high-quality aluminum, iron, and plastic material give it good hardness, wear resistance, and durability, allowing for long-term use.Bicycle motor kit adopts aluminum engine shell, iron fuel tank with baking paint, a 415# steel chain with prevention shot blasting process, and a nylon cover on the side of the engine, achieving a max bearing capacity of 440 pounds and ensuring superior performance.
Bestseller No. 5
RibasuBB 100cc Bicycle Engine Kit,2 Stroke Cycle Bicycle Gas Motorized Gasoline...
- 【100cc 36 Tooth Bicycle Engine Kit】2-stroke 100cc engine kit is perfect to upgrade the regular bike to a motorized bike,Perfectly fits for most type 26" and 28" bikes with V-frame, such as mountain bikes, road bikes, commuter bikes and son on.
- 【Powerful Engine】The carefully selected premium components to make our gasoline engine can start quicker. The electronic igniter of this bike's gasoline engine allows you safer to use it while being super fuel-efficient, You can use in any outdoor environment bicycle motor kit without having to worry about noise nuisance.
- 【100cc Bicycle Engine Kit】Come with a complete bicycle motor kit, 2 stroke bike 100cc single cylinder gasoline engine, CDI Assembly,Fuel Tank (with Valve),Carburetor Assembly,Exhaust Muffler,Clutch handle, Left Handle Grip,Twist-grip Throttle with Kill Switch,Clutch Cable,Throttle Cable,Chain,Sprocket,Chain Idler Pulley,Chain Guard,Mounting tools.
- 【Upgrades Bike Motor Kit】Engine type: single-cylinder, air-cooled, two-stroke. Max.Power: 1.9kw/5500r/min,36 Tooth Sprocket, Red Speed Carburetor, 4 bolts attach ,Starting: Kick starting,Max.speed 48km/h.
- 【Easy To Install Bike Motor Kit】The supplied product manual contains every detail of the assembly steps. Maybe you need some practical experience and some tools, but the installation is not too complicated. Our bicycle engine kit can help you have an electric bike first.
Bestseller No. 6
YUNLAIGOTOP 100cc Bicycle Engine Kit 2 Stroke Motorized Bicycle Engine Motor Kit...
- 【FULL UPGRADE KIT】- This 100CC bicycle engine kit includes all the parts and accessories needed to convert an ordinary bicycle into a gasoline-powered motorcycle. The electric bike conversion kit upgrade includes: 44-tooth sprocket, Red Speed carburetor and upgraded CDI.
- 【UPGRADED TUNABLE HIGH PERFORMANCE CARBURETOR】- The bicycle motor kit choke lever on the handlebars, Main jet. (Can be re-jetted), Pilot jet, Copper oil needle, Idle RPM Screw, Idle Air Screw that delivers more fuel with the choke on, instead of restricting air.
- 【HIGH EFFICIENCY ENGINE】- The motorized bike kit is 50mm bore single piece cylinder/head (increased weight capacity, lower operating temps, easier starting, sustained power output across varied rpm range).
- 【PRODUCT PARAMETERS】- The 2 stroke engine is Bore＆stoke: 50mmx40mm; Ignition Mode: CDI Ignition; Max.Power: 1.9kw/5500r/min; Compression ratio: 6﹕1; Transmission ratio: 18﹕1; Cooling: Air-cooling; Starting: Kict starting ; Shifting way: sprocket; Lubricating oil: Two-stroke machine oil; Max.speed: 48km/h; Sparking plug: Z4C 16MMM; Max.Load capacity: 180kg; Tank capacity: 2L; Fuel Type: 90#; Fuel consumption: 5L/100km; Engine type: Gasoline engine
- 【SAFETY UNIVERSAL SET】- The bike engine kit has 4 bolts attach the engine to your bike frame and this e bike conversion kits come are 8mm vs the standard 6mm. That means the mounts are twice as strong and twice as secure. It is a general-purpose ordinary bicycle upgraded to an electric bicycle. Suitable for most 26"/28" bicycles.
Bestseller No. 7
CUBELLIN Upgraded 100cc Bicycle Engine Kit 2 Stroke Motorized Bike Engine Kit...
- 36 Tooth Bicycle Engine Kit: The 36 Teeth Bicycle Engine Kit can convert a regular bicycle into a motorcycle AND includes all the parts and accessories. Ideal for upgrading your regular bike to an electric bike.
- Super Fuel-Efficientt: The 100cc motorized bicycle kit is powerful and durable, with a top speed of 48km/h. Low fuel consumption, 150 miles per gallon. Max. Load capacity:200kg（440lb).
- Double Strength and Safety: 4 bolts attach the engine to your bike frame and this Bicycle Motor Kit comes are 8mm vs the standard 6mm. That means the mounts are twice as strong and twice as secure. The aluminum engine body, iron fuel tank, and iron chain have better durability, and when combined with sandblasting, painting, and shot blasting treatment, they can provide stable operation for a long time.
- Complete Bicycle Motor Kit: Our package includes all the parts to convert your bicycle into a motorcycle, meeting your needs with just one purchase! This bicycle engine kit is more suitable for people with lower budgets or only short-term needs for motorcycles.
- Upgraded Tunable High Performance Carburetor: Choke lever on the handlebars, Main jet. (Can be re-jetted), Pilot jet, Copper oil needle , Idle RPM Screw, Idle Air Screw and has an Internal choke circuit that delivers more fuel with the choke on, instead of restricting air. 100CC Bicycle Engine Kit Great for cold weather starts!
Bestseller No. 8
Tipyoumall Upgraded Bicycle Engine Kit, 2 Stroke Motorized Bike Engine Motor Kit...
- 【44 Tooth Bicycle Engine Kit】100cc motorized bicycle kit. Perfect for upgrading from a regular bike to an electric bike, you can enjoy a faster ride. Using this set of bicycle engine kits, you can transform the bicycle to your liking. Sproket :36 Tooth
- 【Super Fuel-Efficientt】150 miles per gallon, very energy efficient and economical. Engine requires 8oz 2 Stroke oil per gallon of gas during Break In Period. 4 bolts attach the engine to your bike frame and this kit comes are 8mm vs the standard 6mm. That means the mounts are twice as strong and twice as secure. Max. Load capacity:180kg（396 lb）,Top Speed: 48 km/h
- 【Excellent Performance】50 mm bore single piece cylinder/head (increased weight capacity, lower operating temps, easier starting, sustained power output across varied rpm range)
- 【Easy to Install】Motorized bike kit 100cc. Comes with all needed accessories for easy installation. Equipped with detailed instructions, this instruction contains every detail of the assembly steps. You just need to follow the installation manual to complete the installation easily
- 【Upgraded Tunable High Performance Carburetor】Choke lever on the handlebars, Main jet. (Can be re-jetted), Pilot jet, Copper oil needle , Idle RPM Screw, Idle Air Screw and has an Internal choke circuit that delivers more fuel with the choke on, instead of restricting air. Great for cold weather starts
Bestseller No. 9
CUBELLIN 100cc Bike Motor Kit 4-Stroke Bicycle Engine Kit Hand Start Motorized...
- 100CC BICYCLE ENGINE KIT: The 4 stroke engine boasts a robust 3.5HP horsepower, a displacement of 100cc, a rated power of 2kw/h, and a max rotating speed of 3600RPM, which provides you with strong power and accelerates your bike to a max speed of 50km/h.
- LOW FUEL CONSUMPTION: The bike engine kit measures 11.81x5.51x5.9 inches with a large capacity of 0.52 gallons, allowing it to work for a long time. The overhead valve is used, which dramatically improves fuel savings. The air filter also improves air filtration performance and reduces wear, achieving a fuel consumption of around 0.66 gallons/100km.
- DURABLE & STURDY: The aluminum engine shell, iron fuel tank with baking paint, a 415# steel chain with rust prevention shot blasting process, and a nylon cover on the side of the engine offer wear-resistance, achieving a max bearing capacity of 440 pounds and ensuring superior performance.
- AIR-COOLING SYSTEM: By adopting an air cooling system, the temperature of the engine can be quickly reduced, effectively preventing overheating and ensuring smooth and long-lasting riding.
- HIGH PERFORMANCE: The ergonomic T-shaped start handle provides a point of application of force for easy and comfortable starting. This bicycle engine kit only has slight noise (about 75dB) and vibration when used. You can use it in most outdoor environments without worrying about noise disturbance.
Bestseller No. 10
Bike Motor Kit, 100cc Bicycle Engine Kit, 2 Stroke Gas Motorized Bike Conversion...
- Runs Silently & Safe : When in use, this bicycle engine kit Ignition type is CDI Ignition and only has slight noise (around 75DB) and vibration. You can use it safely and in most outdoor environments without worrying about noise interference.
- Powerful Engine : The 2-stroke 100CC engine is powerful and durable, accelerating your bike to a maximum load of 440 pounds and a maximum speed of 28mi/h, the upgraded bike is more durable, supports long distance riding and is convenient for outdoor use.
- 0.53 Gal Fuel Tank : A fuel tank with a capacity of up to 0.53 gallons supports longer trips at a time, with a fuel consumption of about 0.66 gallons per 100 kilometers, which reduces the need for frequent refueling, and a black fuel tank that effectively blocks sunlight from evaporating the fuel.
- Economically Friendly : You can enjoy a more exciting outdoor cycling experience! This bicycle engine kit is more suitable for people with lower budgets or only short-term needs for motorcycles.
- 100cc Bicycle Engine Kit : Our package includes all the parts to convert your bicycle into a motorcycle, 2-stroke 100cc cylinder engine, suitable for most 26-inch or 28-inch bicycles with V-shaped frames and large triangular empty frames.
Wrapping Up
In conclusion, choosing the best 100cc bicycle engine kit can significantly enhance your biking journey. With various options available, it’s essential to consider factors like ease of installation, performance, and durability. By reviewing the top kits listed, you can find the perfect match for your cycling needs and enjoy a more thrilling ride.
