Usage Tips:Key Features The engine housing is made of high-quality aluminum alloy for durability and longevity. The internal iron parts of the engine are made of high-performance iron, ensuring that every piece has been carefully selected.   Wide Range of Applications: The engine can be used for pocket bikes, mini dirt bikes, ATVs, or scooters. The engine can be used not only to replace the engine but also to convert a mini bike.   High Speed: The 49cc mini motor air-cooled racing engine can reach up to 48mph.   Safety: The air-cooled design allows the engine to work continuously without heating up, thus preventing the vehicle from breaking down due to high temperatures.   Hand Puller: The engine has a T-shaped hand puller, which makes it easy to pull to start the engine.   Application This engine is mainly used to power mini bikes, mini dirt bikes, ATVs or scooters, etc.   Specifications Material: Aluminum Condition: Fuel: Gasoline and Professional Two-stroke Motor Oil Fuel Ratio: Gasoline: Engine Oil= 25:1 Horsepower: 1.3 Chain Model: T8F Engine Dimensions: 28*23*13.3cm/11*9*5.2in Package Size: 31.2*24.5*16.5cm/12.3*9.7*6.5in Gross Weight: 4kg /8.81lbs Net Weight: 3.8kg/8.37lbs   Package Included 1*49cc Two-stroke Engine Notes 1. The speed of the engine will be affected by the weight of the user and the terrain. 2.The real color of the item may be slightly different from the images shown on the website caused by many factors such as the brightness of your monitor or light.