Well, I purchase the Metzler ME 880 Marathon tires and since I had both stock and the upsized tires available I snapped a few shots for comparison.
Front - Upsize 110/90 - 19 on the left; Stock 100/90 - 19 on the right
Rear - Upsize 170/80 - 15 on the left; Stock 150/90 - 15 on the right
Front - Upsize 110/90 - 19 on the left; Stock 100/90 - 19 on the right
Rear - Upsize 170/80 - 15 on the left; Stock 150/90 - 15 on the right