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Great-qualityMaterials: The engine's body is made of strong and durable aluminum, while the housing is made of Great-qualityplastic. All the materials are strictly selected to make sure the best experience.
High Efficiency: This engine is a four-stroke engine, which is more stable and efficient compared to two-stroke ones.
Fast: The maximum speed of this engine is between 27-32 mph. Once your bike is equipped with this engine, it can help you save more time and effort.
Durable: This engine is air-cooled to keep the heat dissipated while operation, extending the life of the engine.
Low Noise: Compared with a two-stroke engine, the four-stroke technology makes the operation more stable and quiet. And the quiet running process makes it more enjoyable when riding.
Description Are you an avid cyclist? Do you usually find it difficult to climb hills on your bike? Are you looking forward to modifying your bike to make it faster? Then you can't go wrong with this 49cc four-stroke bike engine. The maximum speed of this engine is between 27-32 mph. Once your bike is equipped with this engine, it can help you save more time and effort. With low noise and high efficiency, this engine is a good choice for you. Details Plastic Housing: The engine's housing is made of strong and durable plastic. It covers the main body of the engine to fully protect it. Hand Puller: The engine has a T-shaped hand puller, which makes it easy to pull to start the engine. Aluminum Body: The engine's body is made of good performance aluminum, which is strong and durable with a metallic luster. Application This 49cc four-stroke engine with belt for adult bikes, is ideal for bikes with 26" frames. Specifications Material: Aluminum Product Size: 27*23cm/10.62*9.05in Package Size: 52*28*28cm/20.47*11.02*11.02in Gross Weight: 14.5kg/31.96lbs Installation We recommend that you visit a bike store for professional installation. This package comes with an instruction manual. If you want to install it yourself, please read the manual carefully for installation. If you have any problems, please contact us, and we will reply and solve the problems as soon as possible. Package Included 1 x 49cc 4 Stroke Engine with Belt 1 x Gas Tank 1 x Plastic Gasoline Fuel Line 1 x Fuel Value 1 x Adjustable Chain Idler 1 x 44-Tooth and 9-Hole Sprocket 1 x Chain Guard 1 x Extra Wide Crank/Sprocket 1 x Fiber Sprocket Mounting Ring 9 x Sprocket Bolts 3 x Metal Retaining Segments 1 x Engine Mounting Plate with Universal Mounting Brackets 1 x Spark Plug Wrench 1 x Heavy Duty #415 Chain 1 x Twist Grip Throttle with Built-in Kill Switch 1 x Adjustable Throttle Cable 1 x Set of Mounting Bolts and Nuts 1*English Manual Notes 1. If your bike has a one-piece crank, you will need a European bottom bracket adapter to mount a wide crank. 2. Please allow the slight color difference caused by the shooting light and the 1-3 cm error due to manual measurement. Please make sure you do not mind before you order.