Registered Forum User
Ducati Corse
Posts: 3,134
Join Date: Jan 2002
Location: notts
Mood: Bloo and Yellow.. and Red now ;)
Check the tensioner pulley mounts haven't unscrewed. When you undo the lock nut to rotate the pulley, you can undo the mounting bolt.
Remove the pulley, and check it's tight. Remove and use loctite for peace of mind.