Clymers has more overall info on maintenance. Factory Service manual has some more engine rebuild details but less of the simple stuff since it's written for the dealer tech's to use..
You can check out the Clymers online. There is a link in the Tech Ref section.
http://suzukisavage.com/cgi-bin/YaBB.pl?num=1201352134I bought the factory manual, but I'm very mechanically inclined. I've noticed over the years that much of what I consider common sense is mud to others.