The link you shared contains the following info:
In yet another case, involving $150 million foreign investment, Yamaha Motors Japan proposal to establish motorcycle manufacturing plant in Pakistan has been pending for more than past six months, the BOI told the PM. Yamaha is seeking 10% reduction in duties on completely knocked down units. Interestingly, the ECC has assigned Minister for Information to give a report on a pure business matter.
This means that they plan to import CKD units and maybe rebuild them here, in which case, I think, Byson may not necessarily be coming.