Bulawyo to Pandematenga on bike yes or No?

[BSD65]

I'm riding to Vic falls, via Caprivi strip -Kasane.  On the way back down I wondering if its possible to ride south to Bulwayo and over to the Pandametenga border post, going thru the Kazuma National park, and what are the road conditions?  Reading the Zim government pages it says 4 x 4 only.