oil leak Rotax 500

Hi
The bike has started to leak oil from the clutch cable bellows cover . It only started after a fast run . 33900KM . Oil change and new filter August last year . semi synthic oil used . Have checked the enging breather pipe and this is clear .
Any ideas ?
Julian
The bike has started to leak oil from the clutch cable bellows cover . It only started after a fast run . 33900KM . Oil change and new filter August last year . semi synthic oil used . Have checked the enging breather pipe and this is clear .
Any ideas ?
Julian