10 Best 2 Stroke Bicycle Engine Kit [2025]

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If you’re looking to enhance your biking experience, the best 2 stroke bicycle engine kit can transform your pedal power into speed and excitement. These kits are designed to fit various bicycle models, making it easier than ever to upgrade your ride. In this article, we will explore the top 10 options available in the market for 2025, helping you make an informed choice.

Top 10 2 Stroke Bicycle Engine Kit in the Market

Best 2 Stroke Bicycle Engine Kit Review

Bestseller No. 1
IMAYCC Bike Motor Kit 80cc 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 80cc bicycle engine kit" on Youtube before installation, it will give you a great help and solve a lot of problems during installation
  • 【80cc Bicycle Engine Kit】Come with a complete engine kit, 2-stroke 80cc single cylinder gasoline engine, wired digital computer, the engine power/speed is 2.1Kw/5000rpm, 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
  • 【80cc 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
  • 【2.5L 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 at a speed of 20-25Km/h, fuel consumption of 2-2.5L per 100Km
Bestseller No. 2
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. 3
Afranti Updated 80cc Bicycle Engine Kit 2 Stroke Motorized Bike Motor Kit for...
  • CONVERTING YOUR BIKE TO MOTORBIKE: The 2-Stroke Bicycle Gasoline Engine Motor Kit includes all the parts and accessories needed to convert a regular bike into a gasoline-powered motorcycle. Ideal to upgrade the regular bike to a motorized bicycle. Fits most 26" or 28" wheeled bikes with V-frame, such as Mountain bikes, Road bikes, Gravel Bikes, Beach bike, etc
  • UPGRADED PERFORMANCE FOR YOUR SUPREME RIDING EXPERIENCE: For screw and bolts easily broken, we have upgraded premium quality hex socket screw and bolts to improve the performance. Come with a digital speedometer, enjoy a faster riding speed, The upgraded bicycle has better durability and supports long-distance riding. Make it easier to use outdoors
  • MOTORIZED BIKE KIT POWER: 2.8kw/6000r/min; Top Speed: 50km/h; Fuel Economy: 3.8L/km; Fuel Type: #90, #92, #95; Mixing Ratio of Fuel and engine Oil: 16:1 for new sets breaking time, 20:1 after running 500KM. Please use premium quality oils to prolong engine life. And add some lubricant into the air cylinder before starting
  • EASY TO ASSEMBLE: Notes: The kit needs basic hardware skills & tools, and it will around 2-3 hours for installation and fine tuning adjustments. If you do not have experience or the first time on installing the motor kit, before installing, please kindly read our instruction and search "80cc bicycle engine kit"video, it will give a big help and troubleshoot a lot of issues during installation process
  • PERFECT AFTER-SALES SERVICE: If you are not satisfied with the product, please send us an email, and we will propose a satisfactory solution within 24 hours. You can buy it with confidence
Bestseller No. 4
H-YEEU 110cc 2-Stroke Bicycle Gasoline Engine Motor Kit, Motorized Bike Kit...
  • Low fuel consumption, 150 miles per gallon, very energy-efficient and economical
  • 110cc engine fits for most 26"/28" bicycles,such as mountain bikes, road bikes,cruisers
  • Key parameters:bore and stroke -52mm and 40.2mm, Max.Maximum power: 3.8Kw / 6000r / min (5.5-6.5 horsepower / 6000r / min)
  • 110cc motorized bicycle kit is the perfect choice for you to upgrade ordinary bicycles to electric bicycles, you can enjoy a faster riding experience
  • The 110cc bicycle engine kit includes all the parts and accessories needed to convert an ordinary bicycle into a gasoline-powered motorcycle
Bestseller No. 5
Afranti Updated 80cc Bicycle Engine Kit 2 Stroke Motorized Bike Motor Kit for...
  • CONVERTING YOUR BIKE TO MOTORBIKE: The 2-Stroke Bicycle Gasoline Engine Motor Kit includes all the parts and accessories needed to convert a regular bike into a gasoline-powered motorcycle. Ideal to upgrade the regular bike to a motorized bicycle. Fits most 26" or 28" wheeled bikes with V-frame, such as Mountain bikes, Road bikes, Gravel Bikes, Beach bike, etc
  • UPGRADED PERFORMANCE FOR YOUR SUPREME RIDING EXPERIENCE: For screw and bolts easily broken, we have upgraded premium quality hex socket screw and bolts to improve the performance. Come with a digital speedometer, enjoy a faster riding speed, The upgraded bicycle has better durability and supports long-distance riding. Make it easier to use outdoors
  • MOTORIZED BIKE KIT POWER: 2.8kw/6000r/min; Top Speed: 50km/h; Fuel Economy: 3.8L/km; Fuel Type: #90, #92, #95; Mixing Ratio of Fuel and engine Oil: 16:1 for new sets breaking time, 20:1 after running 500KM. Please use premium quality oils to prolong engine life. And add some lubricant into the air cylinder before starting
  • EASY TO ASSEMBLE: Notes: The kit needs basic hardware skills & tools, and it will around 2-3 hours for installation and fine tuning adjustments. If you do not have experience or the first time on installing the motor kit, before installing, please kindly read our instruction and search "80cc bicycle engine kit"video, it will give a big help and troubleshoot a lot of issues during installation process
  • PERFECT AFTER-SALES SERVICE: If you are not satisfied with the product, please send us an email, and we will propose a satisfactory solution within 24 hours. You can buy it with confidence
Bestseller No. 6
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. 7
49CC 2-Stroke Bicycle Engine Kit - 1.9KW/3HP Motor with 0.32gal Tank for DIY...
  • 【Durable Design】Designed with premium aluminum, this engine has high hardness, wear resistance. So it can adapt to complex environments and conditions.
  • 【Effective 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 driving.
  • 【Powerful Engine】The 2-stroke engine can provide higher intake and exhaust efficiency, saving energy and fuel (Fuel Consumption: Min. ≤610g/kW.h). It can provide stronger power (Max. Power: 1.9kw/7000rpm) during driving and ensure that your drive will be very smooth and powerful.
  • 【Easy to Operate】The engine features a electronic ignition system, which leads to higher energy and ignition efficiency. So you can start the engine quickly and safely.
  • 【Large Capacity】Designed with a large capacity fuel tank (0.32 gal), this engine can work for a long time and meet the needs of long-distance driving (15-20km with full oil). It ensures reliable performance without frequent refilling.
Bestseller No. 8
Afranti Bicycle Motor Kit 80cc, Motorized Bicycle Engine Kit 2 Stroke Petrol Gas...
  • Afranti 80cc Bicycle Engine Kit - Engine Type: Single cylinder,air-cooled,2-stroke.For screw and bolts easily broken, we have upgraded premium quality hex socket screw and bolts to improve the performance
  • Afranti 80cc bike motor kit fits Most 26" or 28" Wheeled Bikes (Mountain, Cruiser, Chopper, Road) 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 around 1" (25-29mm)
  • Motorized bike kit Power: 5-6 HP (horse power); Top Speed: 25-35 MPH (miles per hour); Fuel Economy: 100-150 miles per gallon; Fuel Type:Gasoline 93#; Mixing Ratio of Fuel and engine Oil: 16:1 for new sets breaking time, 25:1 after running 300KM. Please use premium quality oils to prolong engine life. And add some lubricant into the air cylinder before starting
  • Easy to Assemble - Notes:The kit needs basic hardware skills & tools, and it will around 2-3 hours for installation and fine tuning adjustments. If you do not have experience or the first time on installing the motor kit, before installing, please kindly read our instruction and search "80cc bicycle engine kit"video, it will give a big help and troubleshoot a lot of issues during installation process.
  • Perfect after-sales service: If you are not satisfied with the product, please send us an email, and we will propose a satisfactory solution within 24 hours. You can buy it with confidence!
Bestseller No. 9
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. 10
CUBELLIN Upgrade 110CC Bicycle Engine Kit 2 Stroke Motorized Bike Kit Gas...
  • 110CC BICYCLE ENGINE KIT: The 2 Stroke bicycle engine kit is powerful and durable, accelerating your bike to a maximum speed of 55km/h and allowing you to fully enjoy the fun of riding on your commute and short journeys.
  • BIKE TO MOTORIZED BICYCLE: This gas bike motor kit converts your bike into a motorized bicycle, with max. speed of 6000rpm for great efficiency and convenience.
  • LOW FUEL CONSUMPTION: This motorized bike kit with a capacity of up to 2L/2.11qt supports longer journeys at once, and reduces the hassle of frequent refueling.
  • WIDE COMPATIBILITY: The bike conversion kit are suitable for most 26"/28" bicycles with V-shaped frames and large triangular empty frames, such as mountain bikes, road bikes, gravel bikes, beach bikes, etc.
  • COMPLETE BICYCLE ENGINE KIT: This gasoline powered bicycle engine kit includes all the parts and accessories needed to convert a regular bike into a gasoline-powered motorcycle for easy installation and use.

Wrapping Up

Choosing the best 2 stroke bicycle engine kit can significantly boost your cycling adventures. With the right kit, you can enjoy increased speed and efficiency while riding. Be sure to consider your specific needs and preferences as you select from the top options available this year.