Haircuts 2014 - Pictures Of Full Grown Yorkie Poo, What is a yorkie-poo? (with pictures) - wisegeek, These dogs can run the range in size from between 4 to 10 pounds (1.8 to 4.5 kilograms) when full grown. these measurements are at the extreme ends of the spectrum. What are yorkie poos? | ehow - ehow | how to - discover, You may also like. the temperament of a yorkie poo. while yorkie poos generally have similar temperaments, some aspects or extremes of your yorkie poo's temperament.