Hi I have a kawasaki mule 2510 diesel and I broke the crankshaft so instead of taking the motor apart will a cbr 600 motor fit in it??

Well I am sure it will fit, but then how are you going to connect everthing to make it move, what about the clutch and shifter? Are you planning on using it to do work still? I would think about a polaris sportsman 500 or maganum 425 as a motor to use.