It's easy to fix! Simply turn the needle counter-clockwise till you hit the stopper, then give it some more force to nudge it in place. There's no need to pop off the needle.
The tach light can be fixed assuming it was modded. Just need to desolder the LED and rework or drop in a new LED.
In the meantime, the amber MFD can be easily modified to match the blue LEDs:
DIY: Interior LED Color Change
You can order a custom gauge face from Black Cat Custom, strip the paint, and repaint the gauge face with some sections masked off:
DIY: Interior LED Color Change