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I didn't know what category to put this in so I decided on carburetor. 
What can anyone tell me about the KZ750F LTD? I can't find anything about it online. I've searched for service manuals and spec sheets but to no avail. Specifically, should the adjustable jets on the carburetors be at the 2 and 1/2 turns from fully set that the other models should be at? The carbs on the 750F are simplified so I'm wondering if that will change the position of the screw.

The service manual probably doesn't specify a setting. not sure, though. 
Assuming you need a manual, search EB for KZ750 Shaft Manual. Get one that covers at least thru 1983. 
A number of them are available, a couple for around $35T. which is cheap.
Kawasaki FSMs have a model list chart on the back cover, so make sure your 750-F1 is included.  

2.5 turns open on the pilot screws is a good starting point.  Get the bike running on all four cylinders, then do a vacuum sync and tune the screws until you achieve the highest idle speed.  Keep all the screws within 1/2 turn of the others.