http://tinyurl.com/6cvd95oIt is from Spain and the Google translation is not perfect but it is an interesting read.
It compares the Yamaha XMAX to the Grand Dink 300 (aka the Downtown 300). The XMAX is the baby 250cc TMAX. It apparently has a large underseat storage case. The TMAX has a relatively small underseat.
Remember that the translator may choose a different word than you are used to seeing. One I remember is it used "announces" in place of "publishes" in one sentence about the horsepower ratings that different manufacturers "announce/publish".