Flying start mile H. Le Vack 996cc Zenith 90.91mph
5 miles H. Le Vack 996cc Zenith 88.27mph
10miles H. Le Vack 996cc Zenith 86.14mph
50 miles H. Le Vack 996cc Zenith 79.37mph
100 miles H. Le Vack 996cc Zenith 77.82mph
1 hour H. Le Vack 996cc Zenith 77.73mph
2 hours H. Le Vack 996cc Zenith 75.93mph
Class J1 (750cc single seat cyclecars)
10miles E.B. Ware 744cc Morgan 59.50mph
50 miles E.B. Ware 744cc Morgan 47.52mph
1 hour E.B. Ware 744cc Morgan 47.26mph
In addition to the World's records listed, Le Vack also held the following British short distance records:
Class A (Solo motorcycles not exceeding 250cc)
Flying start kilometre 249cc New Imperial 83.16mph
ClassB (Solo motorcycles not exceeding 350cc)
Flying start kilometre 344cc New Imperial 97.60mph*
Flying start mile 344cc New Imperial 91.88mph
Class B/s (Sidecars not exceeding 350cc)
Flying start kilometre 346cc New Imperial 77.94mph
Class G (Sidecars not exceeding 1,000c)
Flying start kilometre 998cc Zenith 90.86mph
Flying start mile 996cc Zenith 92.68mph
*World record also
The records held previously by the American big twins had been whittled down quite substantially, and of the few that remained, some could be attributed to Le Vack himself, who set them up before he joined JAP at Tottenham. There was now ample proof of the superiority of the British-made vee-twin when it came to out-and-out speed events, and of the JAP side-valve and overhead-valve designs in particular.
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