10 Best 2 Stroke Bicycles Engines Reviewed as of April 2024

Reviews Scanned

Afranti 80cc Bicycle Engine Kit Updated 2 Stroke Motorized Bike Motor Kit for 26" to 28" Bicycles Petrol Gas Powered Bicycle Motor Kit Upgrade with Digital Speedometer & 2.5L Fuel Tank

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. Fuel tank capacity is upgraded to 2.5L to make your journey last longer. 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

Tipyoumall Upgraded Bicycle Engine Kit, 2 Stroke Motorized Bike Engine Motor Kit 100cc Super Fuel-efficient Fit Modified Full Set for 26"-28" Bikes

🚲【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（396lb）,Top Speed: 48km/h.
🚲【Excellent Performance】50mm 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!

Afranti 100cc Bicycle Engine Kit 2 Stroke Motorized Bike Motor Kit for 26" 28" Bicycles Petrol Gas Powered Bicycle Motor Kit Upgrade with Digital Speedometer

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 "100cc 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

Frederimo Upgraded 100cc Bicycle Engine Kit, 2 Stroke Bike Motor Kit Petrol Gas Motor Conversion Kit Air-Cooling Motorized Bicycle Kit Super Fuel-efficient Modified Full Set (2023)

🚲【36 Tooth Bicycle Engine Kit】This 2 Stroke Bicycle 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. Sproket :36 Tooth.
🚲【Super Fuel-Efficientt】100cc motorized bicycle kit. Perfect for upgrading from a regular bike to an electric bike, you can enjoy a faster ride. Low fuel consumption, 150 miles per gallon, very energy efficient and economical. Max. Load capacity:180kg（396lb）,Top Speed: 48km/h.
🚲【Double Strength and Safety】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.
🚲【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!

Rosyouth 80cc 2-Stroke Bicycle Engine Motor, Single Cylinder Engine Motor, Bike Bicycle Engine Motorized Petrol Gas Motor for Bicycles, Pocket Cars, Mini Off-road Vehicles Atvs

【Single Cylinder Engine Motor】: 80cc 2 Stroke Bicycle Engine Motor heavy duty single cylinder air-cooled, rated power is 1.65kw, rated power is 1.65kw. Single piece balanced crank with 40 mm stroke and thicker hardware for mounting bolts (bicycle engine motor only incomplete kit).
【Fuel and Oil Mixing Ratio】: This 2-stroke gasoline engine with a clean crankcase. The fuel used in this machine is a mixture of gasoline and lubricating oil, the mixing ratio of fuel and oil: 18:1 for new cars (30:1 after 500 kilometers), mix well and then pour into the fuel tank. Do not pour two kinds of oil into the fuel tank one after another.
【Head Tilt】: Greater clearance and higher compression hardware, higher power and longer service life. The 2 stroke engine, suitable for bicycles, pocket bikes, mini dirt bikes atvs.
【Efficient Riding】: With this modified engine, you can convert your regular bike into a power bike, greatly increasing your riding speed and giving you a better riding experience.
【Note】: New engine generally requires a running-in phase of more than 500 kilometers, and the same applies when the cylinder and piston ring are damaged and need to be updated. During the running-in phase, the speed should not exceed 20km/h, and the engine should not bear excessive load. Otherwise, it will cause the engine to overheat, seize the cylinder and accelerate the wear of parts.

Sale6

YOXUFA 2 Stroke Carburetor Kit for 49cc 50cc 66cc 80cc 100cc Engine Motorized Moto Bike Bicycle Gas Motor Scooter Moped High Performance Parts

Motorized Bike Carburetor for 49cc 50cc 66cc 80cc 100cc 2 Stroke BT80 PK80 YD100 Engine Gas Motor Motorized Bike Bicycle Scooter Moped Pit Dirt Bike Parts
Feature: the motorized bicycle carburetor are made of high quality metal material,durable and long service life,not easy to break.Built under strict standard control,ensure the fuel tank have most reliable performance.And you can use our carburetor to upgrade your engine,perfect replacement for old one.
Notice: You have to wrap several layers of thread tape around it if you are replacing the NT carb that came with your 66/80cc bicycle engine, and if you are at a higher elevation you may need to change jet size for this carburetor to run properly, Normally for 6mm jet.
Package Include: 49cc Carburetor 2 Stroke × 1，Red Air Filter × 1，Fuel Line × 2, Fuel Filter × 4, Clip × 1,Spark Plug
Professional after-sales: Please check the description to confirm the compatibility before purchase.

80cc Bicycle Engine Kit 2-Stroke Gas Motorized Bike Motor Kit 26" 28" Bicycle Motor Engine Kit Upgrade with Speedometer

🚴 80cc bicycle engine kit with speedometer.This bike engine kit fits most mens' 24" and larger bicycles which includes mountain,cruiser,chopper and road bikes with a V-frame, at least a 8.5" height clearance for the engine. Large bikes (larger frames/down tubes) may require the universal mount. Notes: Be assured the mixing ratio for gas and oil:16:1 for break period (first 300 miles) / 20:1 after to avoid motor lock up or piston seized.
🚴 80cc bike motor kit, Mode of engine: single cylinder, air-cooling, 2-stroke; model of chain:415; chain length:110 links, 55 inches.Motorcycle synthetic 2 stroke oil. Notes: Fuel Type:Gas 93# and please use premium quality oils to prolong engine life. And add some lubricant into the air cylinder before starting.
🚴 2 stroke bike engine kit,Maximum Power: 2.2kW/600r/min; Rated Power: 1.5Kw/5000r/min; Horse power: 2.75 HP. Ignition type: CDI.Larger frame size requires drilling into bike frame and use of the universal face plate.Notes:If new carb leaking oil, take apart the bowl, bent down the claw a little down, leaking issues will be solved. And if no spark plug no spark, just remove the cap.
🚴 The 80cc engine kit 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. Notes: After riding breaking time, the motor need to do maintenance.
🚴We have upgraded premium quality hex socket screw and bolts to improve the performance.Notes:The rider needs basic hardware skills, tools and 2-3 hours for installation and fine tuning adjustments.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.

PEXMOR 100cc Bicycle Engine Bike Motor Kit, 2 Stroke Gas Motorized Bike Conversion Kit, Gasoline Petrol Bicycle Motor Refit Full Set for 26-28" Bikes with V-Frame,Super Fuel-efficient

【POWERFUL ENGINE】- The 2-stroke 100CC heavy duty metal engine is powerful and durable.The mode of engine is single cylinder, air-cooling, two strokes.Max speed can reach up to 45km/h,which is the fastest but safe speed you can get.Max Power: 2.3kw/6000r/min.Max Load Capacity: 150KG
【FUEL-EFFICIENT】- With 2L fuel tank.The fuel consumption per 100 kilometers is only 3-3.5L,which is super fuel-efficient.Fuel Type: 90# 92# 95#.Mixing Ratio Fuel Oil and Engine Oil:16:1.Please use premium quality oils to prolong engine life. And add some lubricant into the air cylinder before starting.
【COMPLETE ENGINE KIT】- It is equipped with all the needed hardwares that can convert most regular bike into motorized bike.It can fit for most type 26"-28" bikes with V-frame, such as mountain bikes, road bikes,cruisers.
【RUNS SILENTLY & SAFE】- Chrome-Plated exhaust muffler will give you low levels of noise and vibration,no worry about noise nuisance. Ignition type is CDI Ignition.It uses a safe capacitor discharge ignition method, so you can use it safely.
【EASY TO INSTALL】- With detailed instruction contains every detail of the assembly steps.You just need to follow the installation manual to complete the installation.If you don't have experienc on installing the motor kit,please search "100cc bicycle engine kit" on youtube before installing.It will help you and solve many problems during installation. It takes about 2-3 hours to complete the installation.

DENEST Bike Engine Kit 3.2KW 100cc 2-Stroke Motorized Bicycle Petrol Gas Motor Air-Cooling Engine CDI Ignition Super Fuel-efficient for Most 26" 28" Bikes Engine Refit Full Set (36 Tooth Sprocket)

【Perfect Experience】Perfect for upgrading from a regular bike to an electric bike, you can enjoy a faster ride
【Engine Parts Set】The 100CC bike engine kit includes all the parts and accessories needed to convert a regular bike into a gasoline-powered motorcycle
【Low Energy Consumption】 Low fuel consumption, 150 miles per gallon, very energy efficient and economical
【Be Applicable】Suitable for most 26"/28" bikes. Engine requires 8oz 2 stroke oil per gallon of gas during break In period. (36 Tooth Sprocket)
【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. Comes with all needed accessories for easy installation.High quality, durable

MOTORHOT 80CC 2 Stroke Motorized Bike Engine Motor for 24" 26" 28" Cycle Engine Bicycle Motor Set Silver

Key parameters: bore and stroke-47mm & 40mm, Max. power 3 horsepower/5000r/min, Super fuel-efficient, only consuming 2.5L fuel/100km
Equipped with the 2-stroke 80cc single cylinder gasoline engine, It's can upgrade the regular bike to a motorized bike.Perfectly fit for most type 24" 26" and 28" bikes with V-frame, such as mountain bikes, road bikes, cruisers, choppers
2-stroke 80cc engine set 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
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
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")

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