Vietnam is one of the few countries in the world where motorbike is still used so widely. Riding one is fun, but you must take into account the fact that people do not always follow the rules on the road. In principle, you need a driver license to ride a motorbike but traffic police hardly stop tourists for license check.
If you are not brave enough to ride one yourself, sitting on the back of someone else is also an experience that most tourists should try. Since late 2007, it is required that all motor-users need a helmet. Any qualified motor taxi driver should have an extra for you.
“Xe-om” or motor-taxi is a cheap way to get from one place to another within the city. Do not forget to reach an agreement on the price before you put the helmet on.