Full can of Premixed Petrol, Spare Plug and Key, Things to eat and plenty to Drink ( Water or Sugary drink, Not Whisky) Change of clothes, make sure that you have a Helmet and Boots that are the Proper kind, possibly Gloves! If you need tips on Tyre pressure or anything else on the Bike setup don't hesitate to ask anyone around you. Folks will be only be to Glad to help you out, just say that this is your first trial and i'm certain you will be looked after!!!!!