Arwen,
No sign of a 2mm diam breather hole in the right axel tube. Maybe that’s why there is a flexible tube mounted on the top casing of mine. But why no standard hole in the axel tube?...... mystery. But then again no more so than with a lot of other Morgan “mysteries” haha.
Cheers, Neil

1975 4/4 4 seater, cream over blue; Q3 Quattro; Bicycle; Walking poles.