Whew... I think you may be opening up a can of worms
I am vegan and I've read about raw foods diets and even high fruit raw foods diets and I really don't think they are feasible for anything more than short periods of time. Sure you can live on only fruit and it would be extremely low calorie and thus will probably cause weight loss, but it is really limiting the nutrients you get and increases your potential for nutritional deficiencies.
Sometimes during the summer, I will do periods of high raw foods but really only for a short time and it is more than fruit although it tends to be fruit heavy. I think it is fine for short periods of time but really a well balanced diet is best and all fruit really isn't balanced.
Is there a particular reason you are looking at it?