too much water into ice maker

[FM1946]

I have replaced the inlet water valves and too much water is going into the ice maker and overflowing. I measured just short of a pint of water going into the ice maker. I produces 8 oz of ice and the rest overflows into the freezer and freezes. The ice maker cycles and produces good ice but there is too much water going into the unit. Do I need to replace the ice maker unit itself? or is there a fix? thanks in advance for your help.