Z1OwnersClub GB

I have the usual 15 tooth front sprocket to a 35 tooth rear, running a 92 link 630 chain on a Z1B. I've toyed with changing over to a 530 chain for years.

What are the equivalent tooth sprocket sizes to change over?
What length 530 chain (how many links)?
Will I have trouble with spline and spigot sizes to change over to the lighter chain.
Anything I've forgotten to query?

I've seen much talk on this conversion, however, I've usually glossed over it, as I always liked original/ standard/ as fitted gear. I guess it's time to change!
RegardZ

This should point you in the right direction

http://www.z1enterprises.com/reference/chain630to530.aspx

Garn i am sure Simon Gilling has done this conversion on his Z1.
Do a search, or send him a pm/e-mail, he will let you know if there is any pit-falls.