I find that the touch weight of my Steinway Duo-Art OR is too heavy.
I wonder if it's a "common illness" of such piano or if there is
a solution to have one with a lighter touch.

Kind regards from Paris,

Vincent Thébault

 [ Perhaps the original hammers were replaced with heavier modern
 [ hammers.  It's possible, too, that the key geometry is improper
 [ for live playing by hand.  You should discuss solutions with a
 [ thoughtful piano technician.  -- Robbie