[Night_Cb300r]

Hi. Im about to get Power Commander 5 with Autotune. The O2 sensor that comes with Autotune has an 18mm bung. Anyone knows the bung size on 2019-2020 CB300R ABS?

Thanks

 

[hogcowboy]

If it turns out you have 12mm narrow band you can get a 18mm wideband adapter.