GS550E

[crazypj]

That looks like a crate bolt. It didn't fall out from starter motor area? (externally)
I need to take a look at a GS500 and see where things like that can lurk
PJ

[T Co]

I've checked in every casing and it's not in the top end!

[olebiker]

I've checked in every casing and it's not in the top end!

Ok so here is my suggestion THROW IT AWAY.

[T Co]

Aaarrrrrrrrrrrrr! whilst placing cam end rubbers, found cam chain loose,!? Umm! fingers in cam chaine gap,umm loose! must take head down to inspect !, tinker tinker, zzzzz, cilinder head off! jing barrels off!, aahh, pet wrong bolt in tensoner fastning,twine! there it goes, put together,lovely,twine!,thanks to all of you out there,unlucky nobody won a fiver,but cheeres allt he same,get parraletic for me will ya!

[T Co]

Does anybody know which way the cam notches are supposed to face with the timing!