I obtained the bracket from Partzilla for a decent price. They had it in stock as well. Seems to be a popular item. You can get that bracket on without taking the nose cone off but it's a tight fit. The wind screen motor does have to come out.Try Partzilla. I think this is the correct one, but double check with them. You didn't state what year your bike is, and I don't know if any changes have been bade. https://www.partzilla.com/product/kawasaki/11055-0143
That is only part of a new mirror, sorry to say!I'm about to duct tape this on.
That bracket on his bike is fine and still there. The mirrors have studs on the plate that bolt to the bracket you posted!I obtained the bracket from Partzilla for a decent price. They had it in stock as well. Seems to be a popular item. You can get that bracket on without taking the nose cone off but it's a tight fit. The wind screen motor does have to come out.