10 Best Motorized Bike Kit of December 2025

• 🚴 2-Stroke 80cc engine kit is perfect to upgrade the regular bike to a motorized bike,you can enjoying riding at a faster speed, which can reach 38km/h as fast as a motorcycle or scooter. (For installation video,pls contact with us via email)
• 🚴 Fits for Most 26" or 28' wheeled bikes with V-frame. The frame should have 9-11" of clearance between the bottom bracket and top bar, and the diameter of the frame tubes should be 25-29mm (around an 1").
• 🚴 Lubrication Oil: oil for 2-stroke petrol engine (or oil for 10W/40.10W/30);Be assured the mixing ratio for fuel and oil:16:1 for break period (first 300-500 miles) / 20:1 after (18:1 is much better in summer because of the hot weather);air cylinder might take some time to adjust to the load. Thus to avoid possible complications for the motor, please limit the riding time to a maximum of 1 hour for the first few rides.
• 🚴 Key parameters: bore and stroke-47mm & 40mm, Max. power 3 horsepower/5000r/min, Super fuel-efficient, only consuming 2.5L fuel/100km.
• 🚴 Mode of Engine: Single cylinder, air-cooling, 2-stroke Natural air cooling; The rider needs some basic hardware tools, skills and around 2-3 hours to install. Add some lubricant into the air cylinder before starting.

Anbull

• 【80cc 2-stroke bicycle motor kit】The engine kit contains all the parts and user manual.It is perfect to upgrade the regular bike to a motorized bike,you can enjoying riding at a faster speed, which can reach 38km/h as fast as a motorcycle or scooter.The user manual is contained in the package.If you need the installation video, please contact us by email.One Year Warranty Covers the Motor, to Provide Parts Free.
• 【Will it fit for your bike?】Fit for most type 26 and 28 inches bikes, such as mountain bikes, road bikes,cruisers, choppers.Just a regular mens bicycle with traditional "diamond" shape frame will work.The frame should have 9-11" of clearance between the bottom bracket and top bar, and the diameter of the frame tubes should be 25-29mm (around an 1").The diameter of the large sprocket center hole is about 1.41 inches. Please measure the rear axle size of your bicycle first.
• 【Be assured the mixing ratio for fuel and oil】16:1 for break period (first 300-500 miles) / 20:1 after (18:1 is much better in summer because of the hot weather);air cylinder might take some time to adjust to the load. Thus to avoid possible complications for the motor, please limit the riding time to a maximum of 1 hour for the first few rides.
• 【Mode of engine】Type of Sparking Plug:Z4C 14MM;single cylinder, air-cooling, 2-stroke;Ignition Mode:CDI;model of chain:415; chain length:110 links, 55 inches.Driving ratio:18: 01,fuel type:Gasline Premium;lubrication oil: Oil for 2-stroke petrol engine (or oil for 10W/40.10W/30);bore and stroke-47mm & 40mm, Max. power 3 horsepower/5000r/min, Super fuel-efficient, only consuming 2.5L fuel/100km.
• 【Installation tips】The rider needs basic hardware skills, tools,and around 2-3 hours for installation and fine tuning adjustments.Add some lubricant into the air cylinder before starting.If you don't have experience or the first time on installing the motor kit,before installing,please kindly read our instruction and search "80cc bicycle engine kit" on youtube,it will give a big help and troubleshoot a lot of issues during installation process.

Yaheeda

• This Is our 100CC 2-Stroke Bicycle Cycle Gasoline Engine Motor Bike, Which Is Ideal for motorized bicycle.
• Advantages: using high-quality wear-resistant iron sleeve cylinder, The use of enlarged cylinder head makes the machine have the effect of high speed, good heat dissipation and low vibration.
• The bicycle gasoline engine can greatly get the bicycle speed up to 60km/h, and it will surely be your excellent helper.
• It fits most bikes only if the diameter of the fork is within 31mm. This bike motor kit comes with everything that you will need, except gas and oil.
• You will be able to stop or start the engine as you ride.

Niome

• ✅【USA 2-10 Days Delivery】 Our products are sent from the US warehouse, and it only takes 2-10 days to arrive! !
• ✅【80CC Bicycle Engine Kit】2-Stroke 80cc bicycle engine kit is perfect to upgrade the regular bike to a motorized bike, fit for most type 26" and 28" bikes.
• ✅【Fuel Type】Gasoline 90#, super fuel-efficient, only consuming 2.5L fuel/100km.
• ✅【Easy To Install】Comes with all needed hardware for easy installation
• ✅【Worry-Free Shopping Service】Viadha Store provide up to 12 months of return service and have a professional customer service team to help you solve problems 24 hours a day ! !

Viadha

• ☛ A complete engine kit for converting your bike
• ☛ Super fuel-efficient, only consuming 2.5 litre fuel per 100km
• ☛ Comes with all needed hardware for easy installation
• ☛ Fit for most type 24" 26" and 28" bikes, such as mountain bikes, road bikes,cruisers, choppers
• ☛【2 Year Warranty】Your Satisfaction is Our Goal. If you encounter any problems before or after your purchase, you can contact us and our professional customer service team will reply as soon as possible within 24 hours.

Gosuguu

• This Is Our Silver 80CC 2-Stroke Bicycle Cycle Gasoline Engine Motor Bike, Which Is Ideal for motorized bicycle.
• The bicycle gasoline engine can greatly get the bicycle speed up to 50km/h, and it will surely be your excellent helper.
• It fits most 26/28 bikes only if the diameter of the fork is within 31mm.
• This bike motor kit comes with everything that you will need, except gas and oil.
• You will be able to stop or start the engine as you ride. High quality with competitive price can be realized here!

ExGizmo

• MOTOOS 2-stroke 80cc engine kit is perfect to upgrade the regular bike to a motorized bike,you can enjoying riding at a faster speed, which can reach 38km/h as fast as a motorcycle or scooter
• Fits for most 24" 26" or 28' wheeled bikes with V-frame. The frame should have 9-11" of clearance between the bottom bracket and top bar, and the diameter of the frame tubes should be 25-29mm (around an 1")
• Key parameters: bore and stroke-47mm & 40mm, Max. power 3 horsepower/5000r/min, Super fuel-efficient, only consuming 2.5L fuel/100km
• Lubrication Oil: oil for 2-stroke petrol engine (or oil for 10W/40.10W/30); Mixing Ratio of Fuel and engine Oil: 16:1 for new sets, 20: 1 after running 500km
• Mode of Engine: Single cylinder, air-cooling, 2-stroke Natural air cooling; The rider needs some basic hardware tools, skills and around 2-3 hours to install. Add some lubricant into the air cylinder before starting

MOTOOS

• Fitment: 80cc Motorized Bicycle Bike
• Package Includes: 1xGasket Set, 2xPistion Rings, 1xPistion, 1xpin, 1xCylinder
• Please check for the details and make sure this is the right one you need.
• Match original equipment exactly for a perfect fit, easy to install.

JL JIANGLI LEGEND

• 🚲This 80cc petrol gas engine kit is used to upgrade the regular bike to a motorized bike., which can reach 38km/h. It almost runs as fast as a motorcycle or scooter.
• 🚲Heavy duty metal engine body for added durability.Super fuel-efficient, only consuming 2.5 litre fuel per 100km
• 🚲Fit for most type 26" and 28" bikes, such as mountain bikes, road bikes,cruisers, choppers. Comes with all needed hardware for easy installation
• 🚲Please also keep in mind that the motor will use a mix of gasoline and oil. The oil is used as a lubricant. Without it, the performance and longevity of the motor will be reduced.
• 🚲If you encounter any problems, please let us know, and we will provide you with satisfactory service until you are satisfied!

• 【80cc 2-stroke bicycle motor kit】The engine kit contains all the parts and user manual.It is perfect to upgrade the regular bike to a motorized bike,you can enjoying riding at a faster speed, which can reach 38km/h as fast as a motorcycle or scooter.The user manual is contained in the package.If you need the installation video, please contact us by email.One Year Warranty Covers the Motor, to Provide Parts Free.
• 【Will it fit for your bike?】Fit for most type 26 and 28 inches bikes, such as mountain bikes, road bikes,cruisers, choppers.Just a regular mens bicycle with traditional "diamond" shape frame will work.The frame should have 9-11" of clearance between the bottom bracket and top bar, and the diameter of the frame tubes should be 25-29mm (around an 1").The diameter of the large sprocket center hole is about 1.41 inches. Please measure the rear axle size of your bicycle first.
• 【Be assured the mixing ratio for fuel and oil】16:1 for break period (first 300-500 miles) / 20:1 after (18:1 is much better in summer because of the hot weather);air cylinder might take some time to adjust to the load. Thus to avoid possible complications for the motor, please limit the riding time to a maximum of 1 hour for the first few rides.
• 【Mode of engine】Type of Sparking Plug:Z4C 14MM;single cylinder, air-cooling, 2-stroke;Ignition Mode:CDI;model of chain:415; chain length:110 links, 55 inches.Driving ratio:18: 01,fuel type:Gasline Premium;lubrication oil: Oil for 2-stroke petrol engine (or oil for 10W/40.10W/30);bore and stroke-47mm & 40mm, Max. power 3 horsepower/5000r/min, Super fuel-efficient, only consuming 2.5L fuel/100km.
• 【Installation tips】The rider needs basic hardware skills, tools,and around 2-3 hours for installation and fine tuning adjustments.Add some lubricant into the air cylinder before starting.If you don't have experience or the first time on installing the motor kit,before installing,please kindly read our instruction and search "80cc bicycle engine kit" on youtube,it will give a big help and troubleshoot a lot of issues during installation process.

Yaheeda