1st. Remember that the GV is designed for shorter people. Taller riders have made mods to the seat, but I suggest that they would be more comfortable on a different Kymco.
2. Always check the engine oil level and the air pressure in the tires. Those will tell you a lot about the manner in which the previous owner treated the scooter.
3. A 2009 with 1700 miles should be as good as new, so inspect for frame damage and front fork damage.
My DH & I are very happy with my 2009 GV with about 3k miles.
scoot safely,