Usage Tips:1. Applicable model: This 21mm carburetor is suitable for 50?110cc 2-stroke scooters. Direct replacement for the old or broken carburetor.2. Uniform Mix Output: The carburetor mixes a certain amount of gasoline with air to meet different engine operating conditions.3. Ideal solution: If there is not enough fuel mixed with air, the engine will run in a lean state, which will stop the engine and may also damage the engine.4. Direct Replacement: This motorcycle carburetor matches factory part fit and function on specified models, is a dependable aftermarket replacement.5. Professionally Crafted: Metal construction for maximum durability. Stable characteristics, high reliability. Perfect match to the scooter.Specification:Item Type:CarburetorMaterial: MetalFitment: Suitable for 50-110cc 2-stroke motorcycle scooter.Package List:1 x Motorcycle CarburetorNote: The data is manual measurement, please allow 1-116cm error, due to the light and screen differences, there will be some difference in color, the specific received in kind shall prevail.