You'll know that it's important to have critical information about mechanical reliability, installed options and safety in order to make motorcycle-to-motorcycle comparisons.
You want to have the most flexibility and freedom you can in almost any situation.
Do you know if the many makes outscored the used Honda 2r in crash tests for 1986?
It's just a matter of knowing where to look and of acting fast.
Don't pay a dollar more than what's necessary to find the perfect used motorbike for your needs.