Well it was a good day at the race track my friend Mike Taylor won his race in the Harley series. 
Had a great ride up to the track on my 71 cb500/four,  some great farm/lake land to look over. 
Thanks for the heads up on the parts connections guy53 
The sprockets chain etc are a mess for sure and will be replaced, which was part of the reason he was selling the bike for had a hardtime sourcing parts at the local Yamaha dealer. 
Yes the bike came from St Croix Cove, so very close to you mr airman. 
Does the track still have a trial circuit?