To tell the complete story of your journey, you will want to take pictures of more than just your bike. Before the trip, make a shot list of the different subjects you want to have an image of such as people, food, and hotels. Check the items off once you have photographed them.
The following websites contain travel, portrait and architecture photo tips:
If you don’t understand the basic camera techniques of shutter speed, exposure, flash, ISO, etc., then check out: