When I bought my '04 manual from Wolverine HD in Michigan, there were 2 other V-rod manuals on the shelf; I think '02 and '03, but I'm not sure.... if you make some calls to some dealers you just might get lucky???
If your to buy the service manual, be sure to specify you want the mechanical manual, and not the electrical. There are 2 service manuals for this bike. Also, it is a wise investment to pick up a parts manual also, as the exploded views make all the words come to life in takedown and later
The manuals are expensive for a few hundred pages stuck between heay paper, but the info in the manual is worth having at your finger tips.