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2 Stroke 100cc Bicycle Motorized Gasoline Engine Motor Kit (Black)

  • Based on 15 reviews
Condition: New
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Availability: In Stock.
Fulfilled by HAICHUANNA

Arrives Friday, Aug 28
Order within 17 hours and 1 minute
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Style: Black 100cc


Features

  • Fuel Saving - Consuming only 2.5 liters of fuel per 100km, it is energy saving and economical, and with a top speed of 55km/h, you can enjoy a faster ride
  • Engine Maintenance - Mix gasoline and two-stroke oil at a ratio of 18:1 for new units. Prolonged continuous operation can result in cylinder scoring.You must add lubricant oil before every startup of the gasoline engine. Both two-stroke oil and general engine oil are applicable, which serves to lubricate the cylinder and piston.
  • Ignition Mode - The ignition mode of the gasoline engine is capacitor discharge with electronic ignition, which is safe to use
  • With Installation Instructions - Comes with all required hardware and detailed instructions for easy installation, the instructions include every detail of the assembly steps
  • Applicability - This 100cc 2-stroke engine kit is suitable for most 26" 28" bikes, such as mountain bikes, road bikes, cruisers

Description

Specification: Material: aluminum and iron Color: Black Engine model: 100CC, single cylinder, air-cooled, two-stroke Cylinder: split cylinder Bore & Stroke: 49mm and 40.2mm Rated power: 3Kw / 5000r / min (4 horsepower / 5000r / min) Maximum power: 3.8Kw / 6000r / min (5.5-6.5 horsepower / 6000r / min) Ignition method: CDI Chain Model: 415 Chain length: 110 links Compression ratio: 6:01 Transmission ratio: 18: 01 Fuel type: No. 90 Fuel tank capacity: 2L Speed limit: 50km / hour Lubricant: Two-stroke gasoline engine oil (or 10W / 40.10W / 30 oil) Fuel and oil mixing ratio: 16:1 for the new unit, 20:1 after 500km Spark plug type: Z4C 14MM Fuel consumption: 3L/100km Clutch type: friction plate/dry Cooling method: natural air cooling Applicable models: Suitable for most 26" and 28" types of bicycles Inlet Manifold Inner Diameter of Central Hole: 14.7 mm / 0.58 inches Inlet Manifold Overall Length: 57.65 mm / 2.27 inches Inlet Manifold Overall Width: 54.8 mm / 2.16 inches Inlet Manifold Outer Diameter: 19 mm / 0.75 inches Exhaust Outlet Inner Diameter: 21 mm / 0.83 inches Package Included: 1x black engine box 1x black fuel tank 1x flameout switch 1x carburetor 1x chain 1x throttle cable 1x clutch cable 1x teeth 1x clutch handle 1x throttle handle 1x chain guard 1x silver exhaust pipe 1xCDI igniter 1x fuel tank cap 1x oil filter 1x spark plug 1x oil switch 1x tubing 2x wallet 3x clip 1x screw top 1x exhaust pipe hoist 1x spark plug tool 1x clutch large spring 1x clutch small spring 1x manual Some mounting screws

Bike Type: Mountain Bike


Age Range (Description): Adult


Brand: H-YEEU


Color: Black


Wheel Size: 26 inches


Frame Material: Aluminum


Suspension Type: Rigid


Included Components: 1* 100cc Bicycle Engine Motor Kit(Black)


Size: /


Brake Style: Rim brake


Bike Type: Mountain Bike


Suspension Type: Rigid


Brake Style: Rim brake


Specific Uses For Product: Road, Trail


Power Source: Gasoline Motor


Bicycle Gear Shifter Type: Twist Grip


Intended Riding Terrain: Mountain Terrain, Paved Roads


Derailleur Configuration: Rear


Bicycle Drivetrain Type: Single Speed


Color: Black


Theme: Motorcycle


Style Name: Black 100cc


Frame Material Type: Aluminum


Wheel Material: Aluminum


Age Range Description: Adult


Brand Name: H-YEEU


Included Components: 1* 100cc Bicycle Engine Motor Kit(Black)


Model Number: 100cc-Black-Bicycle-Engine-Motor-Kit


Model Name: 100cc Black Bicycle Engine Motor Kit


Manufacturer: H-YEEU


Unit Count: 1 Count


Warranty Description: /


Wheel Size: 26 inches


Size: /


Warranty Type: Full warranty


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Aug 28

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Great experience great product highly recommend
Style: Black 100cc
Everything was included as mentioned great build quality. This appears to be German Built with a very well laid out instruction manual with great quality colors pictures to follow easy. Highly recommend. And the seller was great to work with as well when I had questions and quick to respond.
Reviewed in the United States on September 10, 2025 by Gregory Jackson

  • Reliable and pretty fast
Style: Black 100cc
Nice looking motor, fired right up, and does about 55mph good motor
Reviewed in the United States on December 11, 2025 by Derrick Everhart

  • Carburetor must be rebuilt before the engine will work
Style: Black 100cc
Was hard to put together the instructions that came with it were not helpful at all needed to go online and find a video tutorial was also not easy to do carburetor needs to be rebuilt before the kit actually works
Reviewed in the United States on September 15, 2025 by Mark

  • Added fun
Style: Black 100cc
Put it on a bicycle and this thing moves! Very easy to install
Reviewed in the United States on August 30, 2025 by RRathburn

  • Doesn't work
Style: Black 100cc
Couldn't get it to disengage not won't engage the clutch
Reviewed in the United States on October 23, 2025 by Charlie Murphy

  • Starting
Style: Black 100cc
Had to do a lot of custom fitting myself still haven't been able to get the motor started
Reviewed in the United States on September 26, 2025 by Clownfire

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