I need to find out how to swap a bent axle with a non bent one on an '84 honda 185 shaft drive.

 

when you start getting into major repairs its best to buy a manual that shows the procedures a factory service manual is the best but a hayns or chilton is ok too but in all practicality it would be hard for the most well meaning and knoledgeable person here to give you a step by step instructions on something like this