Main Jet for Keihin Carburetors Vespa ET4/LX150/S150/GT200

Main Jet for Keihin Carburetors (6mm Round Head)

These round Keihin jets fit the Vespa ET4, LX150, S150, and GT200 carburetors as well as plenty of other similarly sized carburetors and motorbikes. 

**NOTE**The GT200 comes stock with size 092 jet (CM129902) and the 150s come standard with a 082 size jet (CM105401 CM129914 for LX 150)

The jets are classified as the 6mm round-headed Keihin main jets. You can check the dimensions of your jet by measuring across the unthreaded portion of the jet. This should be 6mm. The threaded shaft of the jet will have a diameter of 4.9-5.0mm and the length will measure 8mm.

Use the drop-down above to select your size.