In 1924 the ACU introduced the of the Ultra-Lightweight class for motorcycles of 175 cc capacity that was run only twice, in 1924 and 1925. This was the second year of the Sidecar race that would also...

The 1923 Isle of Man Tourist Trophy saw the introduction of the first Sidecar TT race over 3 laps and proved an instant hit with enthusiasts. Sidecars were a popular mode of transport and the factori...

The 1922 Isle of Man Tourist Trophy introduced a new race, within a race, for 250 cc motorcycles called the Lightweight TT, to be run concurrently with the already-established Junior 350 cc that took...

The 1921 Isle of Man Tourist Trophy Junior 350 cc race took place on Tuesday 14 June and the Senior 500 cc was on Thursday 16 June. In this year AJS redeemed themselves by completing a hat trick, tak...

The ACU had insisted on a minimum of 30 entries for each race before agreeing to a resumption of the TT in 1920, and decided to introduce a new Lightweight class for 250 cc machines, which would be in...