What is the main difference between the 2004-2005 kawasaki kx250f and the 2004-2005 suzuki rmz250?

Suzuki and Kawasaki had a partnership at the time, the bikes are virtually identical and 97% of the parts are interchangeable. But i want to know the parts that are now interchangeable. Knowledge on these bikes IS REQUIRED as they arent really 2 different bikes, Kawasaki designed the frame, Suzuki designed the engine.
Update: I want to know what parts are not interchangeable
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