The Ultra-Lightweight TT was a motorcycle road race that took place during the

Isle of Man TT The Isle of Man TT or Tourist Trophy races are an annual motorcycle racing event run on the Isle of Man in May/June of most years since its inaugural race in 1907. The event is often called one of the most dangerous racing events in the world ...

festival, an annual event at the end of May and beginning of June. Between 1951 and 1974 this race was part of the

Grand Prix motorcycle racing Grand Prix motorcycle racing is the premier class of motorcycle road racing events held on road circuits sanctioned by the Fédération Internationale de Motocyclisme (FIM). Independent motorcycle racing events have been held since the start ...

season at world-level, representing the British round. The Ultra-Lightweight TT and the

Lightweight TT The Lightweight TT is a motorcycle road race that is a part of the Isle of Man TT festival - an annual motorcycle event traditionally held over the last week of May and first week of June. History The Lightweight class was first present at the ...

races were both dropped from the 2005 Isle of Man TT race calendar due to lack of entries, but were later reinstated to the

2008 File:2008 Events Collage.png, From left, clockwise: Lehman Brothers went bankrupt following the Subprime mortgage crisis; Cyclone Nargis killed more than 138,000 in Myanmar; A scene from the opening ceremony of the 2008 Summer Olympics in Beijing; ...

and

2009 File:2009 Events Collage V2.png, From top left, clockwise: The vertical stabilizer of Air France Flight 447 is pulled out from the Atlantic Ocean; Barack Obama becomes the first African American to become President of the United States; 2009 Iran ...

TT race schedules held on the

Billown Circuit The Billown Circuit is a motorcycle road-race course used for the Southern 100, the Pre-TT Classic races and the National Road Races meetings near Castletown on the Isle of Man. Racing is held on public roads closed for racing by an Act of Tynw ...

Engine Capacity

The

1924 Isle of Man TT The 1924 Isle of Man Tourist Trophy saw the introduction 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 be dropped afte ...

was the first race for Ultra-Lightweight motorcycles not exceeding 175 cc engine capacity, won by Jack Porter, on a

New Imperial New Imperial was a British motorcycle manufacturer founded by Norman Downes in Birmingham, between 1887 and 1901, and became New Imperial Motors Ltd in 1912, when serious production commenced. New Imperial made innovative motorcycles that emplo ...

at an average speed of for three laps of the

Snaefell mountain course The Isle of Man TT Mountain Course or ''TT Course'' is a street and public rural road circuit located in the Isle of Man, used for motorcycle racing. The motorcycle ''TT Course'' is used principally for the Isle of Man TT Races and also the sep ...

. The Ultra-Lightweight TT race was re-introduced for the 1951 Isle of Man TT race for motorcycles not exceeding 125 cc engine capacity until dropped from the TT race meeting in 1974. The Ultra-Lightweight race was re-introduced for the 1989 TT races, again for motorcycles not exceeding 125 cc engine capacity and was part of the TT Festival until 2004. * 1924-1925 For motor-cycles not exceeding 175 cc engine capacity. * 1951-1953 World Championship event for motorcycles not exceeding 125 cc engine capacity, held on the

. * 1954-1959 World Championship event for motorcycles not exceeding 125 cc engine capacity, held on the

Clypse Course The Clypse Course describes a motor-cycle racing course used for the Isle of Man TT Races between 1954 and 1959. The course is long and is in the parish of Onchan in the Isle of Man. The course uses two short sections of the Snaefell Mount ...

. * 1960-1974 World Championship event for motor-cycles not exceeding 125 cc engine capacity, held on the Mountain Course. * 1989-2004 for motorcycles not exceeding 125 cc engine capacity, held on the Mountain Course. * 2008-2009 for motorcycles not exceeding 125 cc engine capacity, held on the

. * 1962-1968 Additional World Championship event for motorcycles not exceeding 50 cc engine capacity, held on the Mountain Course.

Speed and Lap Records

The lap record for the Ultra-Lightweight TT is 19 minutes and 18.2 seconds at an average speed of set by Chris Palmer during the 2004 Ultra-Lightweight 125 cc TT Race.

Engine Capacity

Speed and Lap Records

List of Ultra-Lightweight TT Winners

50cc Ultra-Lightweight TT Winners

Ultra-Lightweight TT Race Winners

Ultra-Lightweight TT Race Winners by Marque

References

See also