Squeaking Pan

My Pan European started to make an intermittent squeak from the engine, but it didn’t bother me too much at first because I’ve had a similar noise before and it turned out to be the heat shields on the exhaust manifolds flexing from cracks around the mounting screws.

A few days passed and the noise was getting louder and more persistent, so I removed the side covers from the fairing, but could see the exhaust heat shields were fine and the noise seemed to be coming from the front of the engine. My Pan European has done 88,000 miles so I thought maybe it could be one of the cambelt tensioner pulley bearings starting to fail, so I removed the upper cambelt covers from each cylinder head and had a look in with