As Jim Carey said in that famous Movie he did,
I've had better !
Again I concur with Grumpy and that was exactly what I was thinking when I asked for larger shots to confirm my suspicions.
Sadly sprockets are big money if you have to buy them new and to find them second hand is so hard as you have to basically buy another machine which would probably go again with not that much work, it's a catch 22 I guess.
Cheers,
BB