if you can ride a motorcycle then the main thing will be remember that if its a british bike the gear change will be on the right and foot brake on left , the opposit to modern bikes, if its a USA bike you may have a stick shift on the righth hand side of the Tank.
best first to find out what motorcycle they expect you to ride, as a lot of film companies often use New bikes dressed up as old ones, due to cost of finding good original examples.