How To Clean Piano Keys Yamaha. When dirt is noticeable, dampen a cloth in a dilute solution of a neutral detergent, wring out well, and use this cloth to wipe away the dirt. Disinfect using 3 parts filtered water and 1 part white vinegar.
Put the disinfectant on the towel and not the piano. You need to prepare the liquid you will use to clean the keys. Disinfect keys with a solution comprised of 3 parts filtered water to 1 part white vinegar, using the general cleaning tips mentioned above.
Start cleaning the keys from the lowest white note on your piano, and work your way up.
If using a spray or liquid bottle, use a disposable pads or soft cloths. The cloth should only be damp and cover an area the size of your fingertip. Take a separate cotton cloth and lightly dab it into the liquid. Clean the tops and the front of the keys.