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Held 22nd September 1907
The use of pedals was banned, fuel regulations were changed and volunteers were introduced as course marshals. 36 motorcycles started the race, 15 singles and 21 twins.
'The motor race meeting in the Isle of Man opens today with the 158 miles race for Auto-cycle Tourist Trophy presented by the Marquis Mouzilly St. Mars. The course is a circular one, nearly 16 miles in length, starting at St. John's, through Ballacraine, Glen Helen, Kirkmichael, over the Devil’s Elbow, St. Germains, Peel, and back to St. John’s. This circuit has to be covered ten times. In all, there are 37 entries, 15 of which have entered for the single-cylinder class, and 27 for the multi-cylinder class'
Single Cylinder Race
Twin Cylinder Race