Ultra-Lightweight TT

The Ultra-Lightweight TT is a motorcycle road race that takes place during the Isle of Man TT 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 season. The Ultra-Lightweight TT and the Lightweight TT Races where both dropped from the 2005 Isle of Man TT Race calendar due to lack of entries.

Engine Capacity

The 1924 Isle of Man TT was the first time the Ultra-Lighweight TT race took place for motor-cycles not excedding 175cc engine capacity. It was won by Jack Porter, riding a New Imperial motor-cycle at an average speed of 51.21 mph for 3 laps of the Snaefell mountain course. The Ultra-Lightweight TT Race was re-introduced for the 1951 Isle of Man TT Race for motor-cycles not exceeding 125cc engine capacity. The Ultra-Lighweight class was part of the Isle of Man TT Races until 1974 races and then dropped from the meeting. The Ultra-Lightweight TT Race was re-introduced for the 1989 Isle of Man TT Races again for motor-cycles not exceeding 125cc engine capacity and was part of the TT Festival until the 2004 Isle of Man TT Races.

Speed and Lap Records

The lap record for the Ultra-Lightweight TT is 19 minutes and 18.2 seconds at an average speed of 110.52 mph set by Chris Palmer during the 2004 Ultra-Lightweight 125cc TT Race.

Ultra-Lightweight TT Race Winners

Rider	Wins
Joey Dunlop, Carlo Ubbiali	4
Robert Dunlop, Ian Lougher	3
Chas Mortimer, Phil Read, Chris Palmer, Tarquino Provini*, Lugi Taveri	2
Hugh Anderson, M.Baldwin, Dieter Braun, Les Graham, Rupert Hollaus*, Wal Handley, C.Horton, Bill Ivy, W.C.McCandless, Mike Hailwood, Jack Porter, Tommy Robb, Cecil Sandford, Dave Simmonds	1

• *Indicates Ultra-Lighweight TT wins on the Clypse Course.

Ultra-Lighweight TT Race Winners by Marque

Marque	Wins
Honda	17
Yamaha	8
MV Agusta	7
Mondial, Suzuki	2
Kawasaki, New Imperial, NSU, Rex-Acme	1