In Reply to: Taking hired motorcycles out of Bali posted by que on Thursday, 7. February 2013 at 07:09 Bali Time:
There are no requirements to do this. I have met several foreign riders who hired bikes and went as far as West Timor.
Each one had the STK for the bike and a letter from the owner giving permission to take the bike out of Bali, as well as the owners's HP number.