WARRANTY/SERVICE BOOK

I made the first service (oil and filter changed, chain cleaned) at the dealer's service that sold me my XT660R last year.
I didn't received a service book for my xt 660r. I have a 3 pages warranty certificate printed by the dealer (Romania).
Is that normal? They told me that they took the bike from Germany and the can give me a service book. The bike shouldnt have one?
I'm thinking when i'll sell it maybe it will be necessary.
What should i do untill the warranty period exceed?