 The Superbike Race was first delayed by 30 minutes due to spilt oil at the Bungalow and then by damp-patches, low-lying mist and high winds on the Mountain Section of the course.The Superbike TT Race is postponed until Monday 4 June 2007 after the deterioration of the weather and controversy over the TT Race regulations the bans the use of hand-cut slicks.As the difficult weather conditions demanded hand-cut slick racing tyres, it was alleged that Honda would withdraw if the Superbike TT race was not postponed or that John McGuinness and Ian Hutchinson would start the race on slicks and then turn off the course at Bray Hill and return to the race paddock.