What's the oil plug crush washer size on a 96 Kat 600?

[davekat]

Because I've been searching in my Haynes manual, online, and the forums, and oddly enough, for something that should be so commonly referred to for replacement, every oil change, there's no sizing! At first I thought it was 14mm from an ebay popup. Then motorcycle superstore doesn't seem to specify the Katana, but the bandit, and says it's 11mm, or M6.

What is it?

[1LE]

Honda East parts finder says it takes a "09168-14004 GASKET". Googling around talks about people using a 14mm washer instead of the "09168-14004" part number. Not very definitive...

I just walk into the store and ask for a crush washer for a GSX600FR (I have a '94) and they hand me one that fits.

[KAT TOY]

14X20mm