
Anbull 100CC Bicycle Engine Kit
Bike Bicycle Motorized 2 Stroke Petrol Gas Motor Engine Kit with 3L Oil Tank for 26" 28" Bike
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.

Anbull 80CC Bicycle Engine Kit
Bike Bicycle Motorized 2 Stroke Petrol Gas Motor Engine Kit for 26" 28" Bike (Silver Color)
Key parameters: bore and stroke-47mm & 40mm, Max. power 3 horsepower/5000r/min, Super fuel-efficient, only consuming 2.5L fuel/100km.

Anbull 49CC 4-Stroke Gas Petrol Motorized Bike Bicycle Engine Motor Kit for 28” V Frame Bike and 26” ATV
With powerful motor and 44 tooth 9 hole sprocket, this motor is with speed 27-32 MPH / or 43-51 KPH.With 41.8 x 36 mm bore stroke,49 cm3 displacement, oil tank capacity 2.5.

PEXMOR 2-Stroke 50cc Bicycle Motor Kit Motorized Bike Cycle Gasoline Petrol Gas Engine Refit Kit
Super Fuel-efficient for Bicycle Scooter (50cc (Black))
Easy to AssembleThe instruction contains every detail of the assembly steps, which makes your assemble process more quickly and easily. Only some basic hardware skills, tools, and fine tuning adjustments, you could have a electric bicycle

Lfhelper Bicycle Engine Kit 49cc 4-Stroke Motor Gas Petrol Motorized Bike Motor Kit Model 142F Air-Cooled OHV Single Cylinder for 26 inch Frame Adult Bicycles
The tank holds 2 liters of petrol and everything comes with the kit.

Dasuy 49cc Bike Bicycle Engine Kit
Motorized Bike 4 Stroke, Gas Petrol Motorized Bike Engine Scooter Parts for 26" Bikes (Shipped from US) (Silver, 49cc)
Increase Speed& Easy to Assemble- This bicycle gasoline engine can greatly get the bicycle speed up to 42km/h as fast as a motorcycle or scooter. The instruction contains every detail of the assembly steps, which makes your assemble process more quickly and easily. Only some basic hardware skills, tools, and fine tuning adjustments, you could have a electric bicycle.

DYRABREST 4-Stroke 49cc Bicycle Engine Kit Air-Cooled Gas Petrol Bicycle Engine Motor Set Gas Motorized Bike Motor Kit for Bicycle Mountain and Road Bike Gas Motorized Motor Bike (Without Belt)
PowerfulWith powerful motor and 44 tooth 9 hole sprocket, this motor is with speed 27-32 MPH / or 43-51 KPH.

EWANYO 49cc Bike Bicycle Engine Kit 4 Stroke Gas Motorized Bike Bicycle Engine Motor Kit Petrol Motorized Bike Engine Scooter Parts for 26" Bikes (Upgrade Gearbox)
Increase Speed& Easy to Assemble- This bicycle gasoline engine can greatly get the bicycle speed up to 50km/h as fast as a motorcycle or scooter. The instruction contains every detail of the assembly steps, which makes your assemble process more quickly and easily. Only some basic hardware skills, tools, and fine tuning adjustments, you could have a electric bicycle.

PEXMOR 2-Stroke 50cc Bicycle Motor Kit Motorized Bike Cycle Gasoline Petrol Gas Engine Refit Kit
Super Fuel-efficient for Bicycle Scooter (50cc (Silver))
Easy to AssembleThe instruction contains every detail of the assembly steps, which makes your assemble process more quickly and easily. Only some basic hardware skills, tools, and fine tuning adjustments, you could have a electric bicycle

Dasuy Bicycle Engine kit 100cc Full Set 2 Stroke Motorized Bike Kit Gas Motorized Bike Motor Kit Petrol Gas Motor Engine Set for 24"
26" or 28" Bicycle (Ship from US) (Silver)
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 48km/h. 5. Comes with all needed hardware for easy installation. 6. Fit for most type 24, 26" and 28" bikes, such as mountain bikes, road bikes,cruisers, choppers.