Cool Manual Find...
 

Not sure if these are rare or not but I found my original 1974 Tsunami manual that covers everything that year from a 20' Sceptre to a 25 Seafari. It's in pretty good condition for being nearly 40 years old.

Cool. Can you scan it and upload it?

There is actually a copy someone uploaded already..... So much for rare. ;)

http://www.classicseacraft.com/literature.htm