After endless waffling I went with the British face plate replacements on SoDak's gauges.
Couldn't stand the knurls showing on these handlebars so ordered Emgo's that are supposed to be correct for XS1- XS2
A second set of 70-71 gauges is back together with touched up original faceplates.
On both sets I removed, scraped off old adhesive and reglued the very thin and delicate trim rings and light jewels. The jewels got a coat of clear wheel paint to restore gloss.
I sourced some 2mm x5mmx.3mm SS washers from aliexpress to hold those slightly worn 'round the screw hole faces on this set.

Been using gel style blue locktite on the faceplate screws, it seems to set VERY slowly, if at all.
@jpdevol you had asked recently: Got some gray loom covers, also from aliexpress.

for sizing; after depinning 6 small lightbulb wires from the connector was JUST able to get them all pushed through the 8mm, with the crimped ends still on, had to stagger the ends, wiggle, push and finally drag them with tiny
long nose, needlenose pliers. If the cover had been any longer I would have had to use a pull string, a good idea anyways

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The other cables and looms in the pic are originals
, maybe touched up with some silver paint 
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