How do you tell what year your Yamaha breeze is?

The yamaha breeze was designed and made in 1989 in only a few colours one being red/black..red body black petrol cover and and air scoop. limited edition colours where baby blue body and a darker shade of blue footwell and petrol cover and air scoop.1990/99 where orange/grey,grey/red,purple/blue.1999/01 white/black.2002/07.blue/black.green/black.