Welcome to the forum! Have you already gotten licensed?
As for your height, you'll be fine. The g310r has a relatively narrow body and seat for smaller inseams so being 5'3" shouldn't be a problem and it's suspension was deisnged for on road riding so the ground clearance isn't a high up as something like and adventure bike.
As for your height, you'll be fine. The g310r has a relatively narrow body and seat for smaller inseams so being 5'3" shouldn't be a problem and it's suspension was deisnged for on road riding so the ground clearance isn't a high up as something like and adventure bike.