the ramps are unoptanium
you could try marcospecialties

the head i believe is probably an opto problem
search the forum there was a post on it.

good luck

No one is remaking those ramps or have them in the que to be remade at this time.

nope had the same and ramps are sooooo rare,
mine were pretty okay exept some cracks,
parted with my partyzone but i know a lot of owners would love new ramps!

maybe make a mold and fiberglass new ones til someone makes them?

The video pretty much says it all. No error on the mouth moving. No error on position one (head to the right), no error on position 2 (head looking forward), an error every time on position 3 (head to the left). Turn the machine off while the head is turned to the left. Raise the playfield and look at the bottom of the mechanism to see which opto pair is being blocked in that position. Clean that opto pair (clean them all while you are there) and see if the problem goes away. If not, then you'll need to determine if the opto pair is working - usually if one of the 2 optos in a pair goes out it is the transmitter not the receiver. You may be able to use a digital camera (perhaps a cell phone camera would work too, I've never tried it) to see if the infrared beam is shining from the transmitter opto.

Clean all the optos on that mechanism (There are at least 3 pairs of optos there, and they are easy to clean with a Q tip and alcohol). If that doesn't do it but reseating the cable again (after cleaning the optos) yields an improvement than examine carefully the board header connectors where the cable connects to look for any cracked solder joints and if found reflow the solder.

Was the problem ever fixed? I have the same issue.