Rubber bung chain guard inspection thingy

[Jon]

I noticed the other day that the rubber inspection 'bung' had gone walkies on my Innova. i'm not sure if it's the same size as a C90's...Very likely it is...But a 38mm Blind grommet (i.e. one without a hole in it) fits perfectly. Might be useful to know if yours goes missing and you have an electrical retailers handy...