Are you meaning dislocations as in 'people out of place'? If that is your meaning, you can't use this word. To simplify this I would say something like: If it weren't for this disgust, they would prefer to travel in pairs. If by dislocations you did not mean people then... If it weren't for this disgust, **(again dislocations doesn't make sense here)** would prefer to travel in pairs. If this is not what you are looking for then you need to give more information so that we can help!

Dislocation makes no sense in the sentence. What are you trying to say?

Now that you have explained the "dislocations" it is clearer. However, "desire" is the wrong word. Without the context it cannot be explained. I suspect that the repulsion is something to do with force acting in one direction causing asymetrical deformation but without more information it makes little sense.

Your "though" appears to add very little. Perhaps it is needed in the full context (I do not understand the technical aspects of whatever you are writing about) but I would question why you could not simply say: Were it not for this repulsion the dislocations would desire to travel in pairs. Likewise, "desire" has connotations of preference and the selection of one option above other alternatives. If the dislocations WOULD travel in pairs were it not for the repulsion then again perhaps that could be dropped. Were it not for this repulsion the dislocations would travel in pairs.

It's hard to correct it because it's hard to figure out what you are trying to say.