The Mikuni genuine metal tip needle valve assemblies are the best replacement parts for your leaking carburetor.  The VM24/557 metal tip needle valve assemblies fit the TM24 or TM28 flatslide carburetors.  The set includes a metal tip needle, press in type needle valve seat, and sealing o-ring.  Available in various sizes from #1.5 to #2.5 in order to match up to the fuel flow characteristics of your engine. 

These needle valve assemblies include the sealing o-ring, no one else includes the sealing o-rings!


Please feel free to contact us with any additional questions or requests, we are available by direct line, IM, or email. We are available for tuning and setup questions as well as continuing product support after the sale.