That is one possible answer.. And I believe the least expensive of the answers.
But first: When was the last time you went, as the song says. "Up On The Roof". removed the outer and inner condenser covers and cleaned the condenser?
also. though in THEORY the bearings are perma-lubed sealed.. That is a Theory untill you visually confirm.
Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times