10 BEST MOTORIZED BIKE KITS for sale in 2025 – compare between the best motorized bike kits on sale.

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1
MOTOOS 80CC 26' 28' Bike Bicycle Motorized 2 Stroke Cycle Petrol Gas Engine Kit Set(Silver)
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84 Reviews
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  • 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

$130.99
2
Goplus Bicycle Motor Kit 80cc 2-Stroke Bike Gasoline Motorized Gas Engine Bike Motor Kit (Silver)
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47 Reviews
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$199.99
3
Goplus Bicycle Motor Kit, 80cc 2-Stroke Upgrade Bike Engine Kit, Gasoline Motorized Gas Engine Bike Motor Kit, Speed Up to 50km/h, 2000W
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$199.99
4
Full Set Bicycle Engine Kit 2 Stroke Gas Motorized Bike Motor Kit 80cc Petrol Gas Motor Engine Set for Motorized Bike (Shipped from US) (Black, 80cc)
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  • 80cc Petrol Gas Engine Kit -This 80cc petrol gas engine kit is used to upgrade the regular bike to a motorized bike. After converting your bike, you can enjoying riding at a faster speed, which can reach 38km/h. It almost runs as fast as a motorcycle or scooter, making your outdoor trip more convenient.
  • Features-1. A complete engine kit for converting your bike. 2. Heavy duty metal engine body for added durability. 3. Super fuel-efficient, only consuming 2.5 litre fuel per 100km. 4. Fast and smooth, can speed up to 38km/h. 5. Comes with all needed hardware for easy installation. 6. Fit for most type 26" and 28" bikes, such as mountain bikes, road bikes,cruisers, choppers.
  • Package included- 1x 80cc 2-stroke engine, 1x Carburetor, 1x Ignition coil & CDI, 1x Throttle handlebar set, 1x Throttle cable, 1x Clutch cable, 1x Kill switch, 1x Clutch lever, 1x Chain, 1x Chain cover, 1x 44T Sprocket W/ 9 Hole Clamp Pads, 1x Chain Tensioner, 1x Fuel tank, Fuel filter, 1x Gasoline fuel line, 1x Petcock, 1x Muffler, All the needed mounting brackets, gaskets, and hardware
  • Note- 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, be assured the mixing ratio of fuel and engine oil is 16:1 for new sets, 20:1(18:1 is much better in summer because of the hot weather) after running 500km.

$128.99 $117.89
5
PEXMOR 2-Stroke 50cc Bicycle Motor Kit Motorized Bike Cycle Gasoline Petrol Gas Engine Refit Kit, Super Fuel-efficient for Bicycle Scooter (50cc (Black))
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Product Highlights
  • Powerful EngineHeavy duty metal engine body for added durability. Single Cylinder, Air-Cooling, Gasoline Engine. Engine kit is perfect to upgrade the regular bike to a motorized bike, which allows you to enjoy riding at a faster speed.
  • Quiet and Slight VibrationWhen you use it after installation, it only has a slight noise and slight vibration, which will not disturb. Just ride the bike and enjoy scenery without wasting too much energy.
  • Ignition Safely & Fuel EfficientThe ignition mode of the bike gasoline engine is capacitor discharge. With the electronic igniter, you can use it safely. Features by super fuel-efficient
  • Complete Engine KitComes with all needed hardwares for easy installation to convert your bike to a motorsized bicycle .Fits for most type 26" and 28" bikes with V-frame, such as mountain bikes, road bikes,cruisers, choppers

$94.99
6
Anbull 100CC Bicycle Engine Kit, Bike Bicycle Motorized 2 Stroke Petrol Gas Motor Engine Kit with 3L Oil Tank for 26' 28' Bike
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$199.99
7
Seeutek 26' or 28' 80cc Bike Bicycle Motorized 2 Stroke Cycle Motor Engine Kit Set
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282 Reviews
Product Highlights
  • 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. Please read attached instruction manual before installation.
  • 80cc bike motor kit, Mode of engine: single cylinder, air-cooling, 2-stroke; model of chain:415; chain length:110 links, 55 inches. Driving ratio:18: 01;lubrication oil: 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.
  • Maximum Power: 2.2kW/600r/min; Rated Power: 1.5Kw/5000r/min; Horse power: 2.75 HP. Ignition type: CDI. Engine Type: Single cylinder, air-cooling, 2-stroke; Chain Model: 415 heavy duty chain; Chain Length: 110 links. 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 engine 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, please check the maintenance routine in Page 15 of Instruction Manual.

$149.99
8
PEXMOR 2-Stroke 50cc Bicycle Engine Conversion Kit, Motorized Bike Cycle Gasoline Petrol Gas Motor Refit Kit Fuel-efficient For 26' Bikes (Black)
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Product Highlights
  • POWERFUL ENGINE: The mode of engine is single cylinder, air-cooling, two strokes.Heavy duty metal engine body for added durability. It's can upgrade the regular bike to a motorizedbike.The speed can reach up to 38km/h, which is the fastest but safe speed you can get.
  • EASY TO INSTALL: Equipped with detailed instructions, this instruction contains every detail of the assembly steps.Although you need some practical experience and some tools, the installation is not too complicated.complicated. You just need to follow the installation manual to complete the installation easily.It only takes about 2-3 hours to complete the installation.
  • COMPLETE ENGINE KIT:It is equipped with all theneeded hardwares that can convert most traditional hand bicycles into electric bicycles, including engine, fuel tank, silencer, etc.Fit for most type 26" bikes, such as mountain bikes, road bikes, cruisers, choppers.
  • RUNS SILENTLY: When you use it after installation, you will surprised at its low levels of noise and vibration.You can use it in any outdoor environment without having to worry about noise nuisance.

$94.99
9
JRL 36 T Tooth Teeth Sprocket Adapter Fit 1.5 inch hub 415 Chain 49cc 50cc 66cc 80cc 2 Stroke Motorized Bike Motorised Bicycle
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116 Reviews
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  • Fit:1.5 inch hub 415 Chain 49cc 50cc 66cc 80cc Motorized Motorised Bike
  • Package include:1 x 36T Multifunction Sprocket 1 x CNC Adapter 3 x Screw
  • Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm)
  • These items are just replacement parts, they are not original. Please confirm it before you make order.

$34.50 $31.99
10
Sthus Black Spring Loaded Chain Tensioner For 49cc 66cc 80cc Engine Motorized Bike 2 Stroke Engine
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  • Chain Tensioner Spring Loaded For 49cc 66cc 80cc Engine Motorized Bike
  • Package Include: 1 x Chain Tensioner Kit
  • 80cc bike chain tensioner
  • motorized bike chain tensioner

$15.00

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