I have just removed and refitted the rear end on my 650D on account of rechroming the parts. Without a doubt, much easier to do what you're doing with the parts removed and they're so easy to remove and refit as a unit. I renewed all the rubber parts while doing the job. I just had to make two new tubular spacers that were missing from the 10mm diameter bolts that fit through the rubber grommet mounts. They had been omitted on previous assembly. So in fact as assembled without the spacers, the rubber mounting wasn't actually doing anything. It was defacto solid mount. So if nothing else, it was worth stripping it down just to find those two tubular spacers were missing. I had a piece of 1/2" OD steel tube that was exactly right once two pieces of appropriate length were cut.



