What's involved in replacing the capacitors in the crossover? Would it be a difficult procedure?

Hi guys! I'm new to this forum. I joined because I'm looking at buying some vintage speakers, and I was looking at three pairs of vintage B&Os: Beovox S45s (83-86), S50s and S80s. I saw that everyone is pretty knowledgeable and friendly around here. I'm not looking for something really powerful: I'd be happy with the 45 watts the