The KORG M1 synthesizer uses a well-respected keybed manufactured by Yamaha. It’s solidly built and comes apart “easily” for maintenance. I’m replacing some felt strips and adding a few more for mechanical noise suppression, but it turns out that in order to do that, you really do need to remove the keys. While I’m at it, a clean and re-grease is in order.

Walter Nicholls, I’ve found quite a lot of your hair, if you want it back.
Also, a shout-out to BustedGear.com for the excellent support on fixing dodgy key contacts.

Also, this is a good reference for adjusting the aftertouch/pressure response.
Hi there,
May I ask which extra measures you took to get rid of the mechanical noise?
Hi Steve, if I recall correctly after replacing the key felts and greasing the locating pin things, the keybed was pretty quiet. I did add a cosmetic strip of red felt over the top of the keys near the pivot point so that it showed under top lid, for a classy look, but I am not sure if it made much difference noise-wise.
Thanks for asking!