The Ultra-Lightweight TT was a motorcycle road race that took 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 at world-level, representing the British round. The Ultra-Lightweight TT and the Lightweight TT 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 and 2009 TT race schedules held on the 4.25 mi (6.84 km) Billown Circuit .
6-477: The 1924 Isle of Man TT was the first race for Ultra-Lightweight motorcycles not exceeding 175 cc engine capacity, won by Jack Porter, on a New Imperial at an average speed of 51.21 mph (82.41 km/h) for three laps of the Snaefell mountain course . 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
12-564: Is a stub . You can help Misplaced Pages by expanding it . 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 after 1925. The Ultra-Lightweight TT began with a massed-start for competitors rather than pairs as with
18-645: 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. The lap record for the Ultra-Lightweight TT is 19 minutes and 18.2 seconds at an average speed of 110.52 mph (177.86 km/h) set by Chris Palmer during the 2004 Ultra-Lightweight 125 cc TT Race. This Motorcycle racing-related article
24-520: The first average lap-speed over 60 mph. The Lightweight and Senior TT races were run in conjunction, and Eddie Twemlow (brother to Ken Twemlow) riding a New Imperial won the six-lap race in 4 hours, 5 minutes and 3 seconds, an average speed of 55.44 mph (89.22 km/h). The Senior TT , like the Junior race, was also run at a record breaking pace and was the first with a race-average speed over 60 mph (97 km/h). The six-lap race
30-476: The normal time-trial format of the TT races. The winner of the first Ultra-Lightweight TT was Jock Porter riding a New Gerrard at an average speed of 51.21 mph (82.41 km/h). The Junior TT race was won by Ken Twemlow on a New Imperial at an average speed of 55.67 mph (89.59 km/h). In the same Junior race, Jimmie Simpson set a new lap record of 35 minutes and 5 seconds at an average speed of 64.54 mph (103.87 km/h) on an AJS –
36-523: Was won by Alec Bennett riding a Norton in 3 hours, 40 minutes and 24. 6 seconds, with an average speed of 61.64 mph (99.20 km/h). 6 laps (226.38 miles) – Mountain Course. 6 laps (226.38 miles) – Mountain Course. It was held on Wednesday, June 25th, 1924 over a distance of 113 miles and 380 yards, 3 laps of 37.75 miles each. The machines were limited of cylinder capacity not exceeding 175cc. All seventeen riders started
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