GS1000 thread repair

The threads are worn where the top of the rear suspension bolts to the frame on my 1979 GS1000E.
Anyone else had this and how is it best repaired? Should I cut a new thread with a die set??
And if so what size???
Any advice much appreciated.
Cheers.
Anyone else had this and how is it best repaired? Should I cut a new thread with a die set??
And if so what size???
Any advice much appreciated.
Cheers.