Hi, to add my NZ$0.02's worth...
 
I've owned and played a Rick 4001 manufactured in 1975.  I've owned it from 1986 until I upgraded to an Elan 5-string.  The Elan is by far the better instrument, both to play and for my audience, whose ears have stopped bleeding now (lol).
 
But... 20 years I played the Rick, the neck and action have been superb!  I agree with the comments about the tailpiece (I thought it was made of lead), and I've had issues with the electronics.  Maybe my 4001 has a 3-piece neck, but it's painted black.
 
I still reckon it's a fantastic bass for it's time, but the Elan is better!
 
With warm regards from new Zealand
 
Grant