Check this attachment or download your service manual from here Boneman's FZ6 Site - Mods scroll down this page to manuals you should be able to find everything you need there.
Edit:
Sorry didnt notice your where asking about a 2001 plate so never mind this probably does not apply
I just googled a picture of a 01 FZ6 and the filler cap is at to top of the clutch cover and there is a oil site glass at the bottom to the right of the clutch cover.