[Ducati] Which 900 engines had the bad studs

[Ducmotorcycles at aol.com]

Dave:
I don't know what caused 3 head studs to break on my 95 900sssp  at 29,000 
miles but it happened. I had them replaced, I later sold bike and  bought a 916. 
To my knowledge it hasn't happened again, I keep in touch  with the buyer.
Wally Anderson
State College, Pa.
97 916
03 500R Ninja
72 Honda CB350K4