I tried to do factory reset on my Lenovo Yoga tablet but I turned it off while it was erasing. After that when I start the tablet it automaticly shows lenovo logo(as it should) but then it starts erasing data for like a minute, reboots itself and starts again. I'm able to access recovery menu and move the selection so its not bricked. Will I have to reinstall the Android?
try putting it in fastboot mode and or going to recovery and wiping cache
If you have a recovery installed then it would be better if you reflashed the rom you are currently using. Download the rom compatible with your device and then flash it.