[2] The company ceased trading in 1929 when the financier Cecil 'Archie' Birkin was killed in an accident at the Isle of Man TT.

The McEvoy range was developed to include a JAP8/45 hp engined V-twin in an advanced "super sports" frame that was capable of 100 miles per hour (160 km/h) and advertised by McEvoy as "the Fastest all-British big twin that holds all high speed British records worth holding in its class".

George William Patchett was a British motorcycle racer and engineer who moved from Brough Superior to work with McEvoy as Competition Manager in 1926.

In his time with McEvoy Patchett set nine world records and won the Championship of Southport in 1926 at more than 116 miles per hour (187 km/h).

[3] In July 2009 a 1928 McEvoy motorcycle with a JAP 8/45 hp 980 cc V-twin engine sold at auction in Henley-on-Thames, UK, for £108,200 ($177,000).