Meals at its restaurants are now sent directly to customers on belts with a traffic light system after its previous conveyor belt model was thwarted by new safety guidelines.
It said changes to its operations are “delivering significant cost savings” and have been “well received by guests”.
Yo! said its reopened sites will continue as normal during the CVA process, while its Manchester Arndale, Birmingham Grand Central and Meadowhall will reopen with the new format in the coming weeks.
Richard Hodgson, chief executive officer of the chain, said: “Like the rest of the sector, we need to take decisive action to adapt to the lasting changes that the Covid pandemic has brought about.
“While we have already taken measures to reduce costs, rents remain an issue. In the current climate, it’s just not viable for us to keep any sites that no longer perform.
“While it’s been a very difficult decision to make and I am very sorry that it will mean losing many of our team members, a CVA has become an essential measure to secure our business for the future, and enable us to protect as many jobs as possible.”
The company also runs 52 kiosks in Tesco stores but said these will be unaffected by the CVA proposal.