These are used to plug the pilot jet passage and held in place with the internal casting dimple inside the float bowl.
These are a custom made item of our own, we own the tooling and the specification is exactly to the OEM original equipment.
They are of the highest quality material completely suitable for all modern fuels.
Please note, there are very similar Mikuni plugs for the same purpose, these are a different size to these Honda specific ones.
This plug assembly will fit many models such as. CB750F CB750C CB900F CB900C CB1100RC CB1100RD. FZ FA FB FC DOHC models from 79-83.