[srinath]

OK its pointless to open this thing, no way to alter it from the inside - but that don't mean much … it will be investigated for fitting onto scr.
Anyway pics here.

https://www.ebay.com/itm/LCD-Digita...Yamaha&hash=item3f9dad0c95:g:qosAAOSwk3Fa~Akc

That's the gauge. In fact you buy that and then complain it doesn't fit a bolt and they'll give you a refund and mostly let you keep it.

So if you crack it open - and its 100% pointless to do that …
Looks like this -

 

[srinath]

And no it will not plug into a bolt/scr gauge plug in the wiring harness. That part is coming. A truly reversible and stock looking mod ...