This Husaberg page is tight and easy to misread if you scan only by brand. The visible inventory is only two listings deep, and both are narrow. One is an engine service manual for 2001-2003 FE, FS, and FX coverage with additional variants grouped into the title text. The other is a 2004 repair manual centered on FC 550/4, FE 550e/6, and FS 550/4. So the first split on this page is simple: early multi-model engine coverage on one side, one specific 550-based 2004 group on the other.
The model letters on this page are too close to each other to skim safely. FE, FS, FX, and FC all appear in the visible results, and the second listing adds 550/4 and 550e/6 designations that matter just as much as the main model prefix. If your bike matches only the first two letters but not the full code, this is already enough reason to slow down.
The 2001-2003 result is presented as an engine service manual, which makes it a grouped mechanical reference across several Husaberg lines. The 2004 listing is a repair manual tied to a much narrower set of 550 models. That difference is important because a buyer can be correct on model family and still land on the wrong document scope if the title is read too loosely.
There is no broad Husaberg spread here covering many generations. The visible choices break cleanly into 2001-2003 and 2004. That makes the production year one of the quickest ways to narrow the page before comparing the rest of the designation.
This is not a Husaberg page where you wander through many unrelated bikes. It works better as a short verification page. Match the full model letters, then the number string, then the year range, and only then the manual type. If your bike is outside the FE / FS / FX engine grouping or outside the FC 550/4, FE 550e/6, FS 550/4 cluster, the safest move is to keep searching by the exact Husaberg designation rather than forcing a near match from the brand heading.