That complete cover plate with the valve disc is available from Honda as a spare parts for around $7.00, why do I know you ask ? because I just bought one for my GCV-160

I'm just wondering where these discs disappear to as mine was also missing.

Cheers,
BB.

I live a 24 Hour lifestyle, but every now and again I seem to fall asleep, well at least that's what my wife tells me.