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Top quality 4 stroke 49cc Bicycle engine kit EK42F
Top quality 4 stroke 49cc Bicycle engine kit EK42F

Motorized 49cc 4 stroke bicycle engine kit! 1. No admixture 2. Recoil Pull start 3. Fuel-efficient 4. HS engine

Top quality!Competitive price!Perfect after service!All parts could be customized!Motorized 4 stroke bicycle engine kit!

Professional Manufacturer for 4 stroke bicycle engine kit.

We promises all engine are top quality!

We  promises  6 months quality warranty!

Provide All spare parts and accessories. All parts could customized.

If you need any requirement or questions, pls don't hesitate to contact us.


Engine type 

Air-cooled 4-stroke OHV single-cylinder



Max Power Output

1.2kw (2HP)/ 6,800rpm

Bore X Stroke

41.8 X 35.8 mm

Compression Ratio



Float Type



Starting System

Recoil Pull-Start

Oil Capacity


Engine Oil

SAE 10W30


Automatic Centrifugal

Full kits parts:

Motorized Bicycle kit engine kit!


1 x

49cc 4 stroke engine

1 x

chrome muffler with gasket

1 x

Gas tank, Plastic gasoline fuel line,fuel value

1 x

Adjustable chain idler

4 x

44 tooth 9 hole sprocket

1 x

Chain guard

1 x

Extra wide crank / sprocket

1 x

Fiber sprocket mounting rings,

9 sprocket bolts, 3 metal retaining segments

1 x

Engine Mounting plate with universal mounting brackets

1 x

Spark Plug Wrench

1 x

Misc.mounting bolts with nuts

1 x

Heavy duty #415 chain

1 x

Twist grip throttle with built-in kill switch

1 x

Adjustable throttle cable

1 x

tool kit and owner's instruction manual

4 stroke bicycle engine kit

4 stroke Engine 

Optional  Extra wide crank / sprocket Or  Extended shaft

Top quality 4 stroke 49cc Bicycle engine kit EK42F

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