Are you saying it's hard to slide in and out of the receiver? This is fairly common. Wire brush the part that goes into the receiver.. Get rid of any rust or dirt. Then wire brush the receiver.
Though I had no luck finding it online I do recall...long time ago.. Finding wire brushes with square heads designed to brush out a 2" receiver...
Then oil it.
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