Another KZ400 carb

This mess was purchased from ebay for parts. It's labeled 757A.

You can see the spacer is a little different from the 746C spacer.

Here you can see it's a little bigger than the spacer from the 746.

Throttle has only one hole and it's flat.

Has this bar that goes across the bottom and holds the throttle adjustment.

Jets were 757A stock size, which is 40 for the main air jet and 90 for the secondary air jet.