PSR-s670

Yamaha MX61/88 Button Caps

These button caps are sold individually. If yours has a group of two or four caps together they can be separated into individual caps. Once again, the price is for one cap and you must be sure to select the one you want from the dropdown selection box...

Yamaha PSR-E353/PSR-S670 Rotary Knob Cap

Yamaha PSR-E353/453, MX61 and some PSR models.  Rotary Knob Cap