I took the battery out of a running and starting Kawasaki 50 to use in the suzuki. It did the same thing and had the same readouts for voltage and such.

I am really at a loss.

 

It also does the same thing with new and old starter motor

 

We did sell one of those LTZ50s new but I don't remember it being 6v electrics, if the battery is 12v and you are only getting 6.4v, something is badly wrong.

 

I finally figured it out today. I needed to install an new cvt case because the drive shaft journal was worn out and nor allowing it to spin true. I bought a used case and the spot where the bendix rides has come corrosion on it causing the bendix to stick out more; therefore when the outer case is tightened down it doesn't allow the room for the bendix and it stops it from moving. I have to grind down the corrosion and all should be good. I'll report back once it is all done and working properly.