RE: Moki 210 Idle adjustment disk
One of my K&B/Perry pumper carbs became loose like this. The O-rings are not Buna N type but something special even beyond Viton?
I had to buy a new carb. It was $13 + shipping for the new idle disk with the Orings already on it and I didn't know but what my body was oversize or expeanded so I bought a new carb.
Enjoy,
Jim