Is it possible to convert Aerox speedometer to one with a tachometer?

My friend recently bought himself an Aerox and with the purchase he received an extra gauge cluster with both a speedometer and a tachometer, so i was wondering if it is possible to replace my speedo to the one with the tach without too much electrical trouble.

I now know that it really isn't plug and play, because the speedo with the tachometer has a connector with 10 pins and when i checked my connector which only has 9 pins, although it is the same looking connector.

I know that the tach became a standard option in 2004/5 and my scooter is a 2003 model(it was an optional extra in 2003). So is it even possible to install the meter with the tach?

Thank you very much for any possible help!

 

To be honest why bother ! iIt will go round to 7000 rpm and sit there being an auto.

 

I forgot to say, the gauge cluster i have is damaged. One of the bottom mounting holes and one of the top tabs have snapped off, so the entire cluster shakes while i am driving.

 

If you really need a tacheo. Cant you just buy something like this. Quite easy installation. Look what I found on Wish for a great price! https://dlwish.page.link/TjH1
Or this cheaper still: Look what I found on Wish for a great price! https://dlwish.page.link/15M3

That koso"maybe koso copy" is connected to the scooter battery whilest the last one has its own battery