Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
That's correct.
All Honda documents I have seen, agree on the 2nd from top for the CB550F.
Not sure how much this clarifieus but on my cb550f all needles were set to 2nd slot and didn't appear to have ever been tempered with.