Rubber inserts are available for the front footpegs on the R12GSA for a surprisingly reasonable price. According to Neil C these have a significant and surprising impact on vibration.
Part numbers are:
C46.71.7.696.748 F/Rest rubb £6.88 (2 required)
C07.11.9.902.745 Nut £0.14 (4 required)
C46.71.7.696.948 Counterhold £2.54 (2 required)
All prices plus VAT.
The counterhold is a plate which fits under the footpeg.
Before and after pics. attached.
Hope this is of interest/use.
Richard
Part numbers are:
C46.71.7.696.748 F/Rest rubb £6.88 (2 required)
C07.11.9.902.745 Nut £0.14 (4 required)
C46.71.7.696.948 Counterhold £2.54 (2 required)
All prices plus VAT.
The counterhold is a plate which fits under the footpeg.
Before and after pics. attached.
Hope this is of interest/use.
Richard

I wasn't aware that I adopt some variant of the side-saddle position on my GSA