This Motorcycle Carburetor Air Adjusting Screw is the perfect addition to your bike tune-up kit. Featuring convenient and precise adjustment with its knurled edge design, this product showcases fine workmanship. Comes with brass screws, springs, and washers to ensure a perfect fit. Upgrade your bike with this must-have component. Product name: Carburetor adjustment screw Purpose: motorcycle carburetor modification and adjustment Size: Original model: outer diameter: 6mm, length 28mm, thread: 6*0.75 (manual measurement, subject to the actual product) Modified model: outer diameter: 10mm, length 42mm, thread: 6*0.75 (manual measurement, subject to the actual product) Applicable models: CV40 CVK34 36 40mm carburetor Specifications: Original carburetor mixing ratio adjustment screw, modified carburetor mixing ratio adjustment screw List: Motorcycle Carburetor Air Adjusting Screw x1 See more product details 1.Easy Adjustment: This motorcycle carburetor air adjusting screw allows you to quickly and easily adjust the air-fuels mixture without any tools. It is very easy to install and compatible with most motorcycle models. 2.Efficient Fuels Control: Our motorcycle carburetor air adjusting screw provides precise adjustment, reducing idling oil spitting and emissions for a cleaner and smoother ride. Experience optimized fuels delivery and enjoy improved motorcycle performance. 3.Easy to Grip: The motorcycle carburetor air adjusting screw has a knurled edge design that makes it easy to hold and operate. You can fine-tune the air-fuels mixture with a simple turn of the screw. 4.Fine Workmanship: Our Motorcycle Carburetor Air Adjusting Screw is crafted with exceptional workmanship and a precise tip, providing precision in adjusting the air-fuels mixture for superior engine performance and efficiency. 5.Versatile Use: Includes brass screws, springs, washers and washers that allow you to fine-tune the air-fuels mixture of your motorcycle carburetor. Suitable for carburetor CV40 CVK34/36/40. _x000D_ _x000D_