does anyone know the size of the hole for the O2 sensor bung plug? im gonna pull my O2 Sensor...i umm...accidently spilled water all over my O2 sensor and now my bike is surging on constant idle but runs fine with it unpluged.

18mm x 1.5 -- S2R1000/S4RS

Quote from: MotoCreations on April 19, 2009, 09:50:48 AM
18mm x 1.5 -- S2R1000/S4RS

+1.  Plugs are available from SPD stainless steel as well as others (that's where I get mine from).

i got some from a muffler shop...they had them on the shelf.