Designed with O-rings: The unique design of the fuel screw carburetor resists engine vibration and improves accuracy and longevity. O-rings with springs, washers, and carburetor idle speed adjusters make it easier, faster and more accurate to adjust the engine speed when the motorcycle is idling.. Easy installation: The idle speed adjustment screw installation does not require assembly and drilling, with perfect replaceability and practicability, without other complicated procedures and tools, it can directly replace the old or damaged standard, and the installation can be completed in a short time.. Package includes: 1x Motorcycle Carburetor Idle Speed djuster Screw.. High-quality material: The carburetor idle speed regulator is made of high-quality copper material, which has high strength, not easy to rust, high temperature resistance, not easy to damage, good weather resistance and long service life.. Strong functionality: By adjusting the idle speed adjustment screw, the channel section of the idle speed oil passage or air passage can be changed, so that the carburetor idle speed oil supply can reach an ideal state..
