49cc 4 Stroke Motorized Bicycle Engine Kit”。

The Features include a 49cc 4-stroke pull start petrol conversion kit designed for adult bicycles, specifically for bikes with 26 inch frames or similar sizes. Long-term spare parts are available as needed. 4-stroke engines are known for their stability, reliability, and quiet operation compared to their 2-stroke counterparts. The top speed of the engine is between 27-32 MPH or 43-51 KPH. The kit includes a 2-liter petrol tank.

It is worth noting that if your bike has one-piece cranks, you will require a European Bottom Bracket Adapter to install the wide cranks. The package contains a quality 49cc 4-stroke engine, a gas tank, plastic gasoline fuel line, fuel valve, adjustable chain idler, 44-tooth 9 hole sprocket, chain guard, extra wide crank/sprocket, fiber sprocket mounting rings, sprocket bolts, metal retaining segments, engine mounting plate with universal brackets, spark plug wrench, miscellaneous mounting bolts with nuts, heavy-duty #415 chain, twist grip throttle with built-in kill switch, and an adjustable throttle cable.

Another option is the Type 2: 49cc 4-Stroke without Belt, featuring a 4-stroke 49cc bicycle engine kit with a new gearbox design that runs on 2 chains for increased torque. This engine fits most 24" and larger bicycles with a V-frame and at least an 8.5" height clearance for the engine. The oil capacity is 0.25l, fuel tank capacity is 0.77l, and the package size is 53cm x 29cm x 29cm, weighing 15.4''/34lbs.

The Engine Model is 142F, type Air-cooled, 4-Stroke, OHV, single cylinder. The Bore x Stroke measures 41.8 x 36 mm, with a displacement of 49 cm³. This 49cc conversion kit for adult bicycles offers a reliable and efficient upgrade for cycling enthusiasts.

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