Year

Marque

Model

Engine

  
1927 BSA L27 (OHV) 350
1938 Ariel Red Hunter VH1 500
1939 Velocette MSS 500
1958 Velocette Venom (Clubmanised) 500
2007 BMW G650 X-Country 650
2015 Moto Guzzi V7 Racer Mk2 750

and here are the ones that got away...
1916 Triumph Type H 550
1919 Triumph Junior 225
1925 AJS E1 800
1925 Royal Enfield Standard 350
1926 Ariel Model D (Touring) 500
1926 Douglas EW 350
1927 Raleigh Model 21 500
1927 Royal Enfield Sports 351 350
1927 Triumph Model N 500
1928 Royal Enfield 4.88hp 500
1930 Ariel Model G 500
1931 Norton Model 18 500
1936 Brough Superior SS80 1000
1936 Velocette MAC 350
1937 Ariel Red Hunter NH1 350
1939 Velocette MAC 350
1947 Matchless G80 500
1954 Velocette LE Mk2 200
1957 Norton Model 77 600
1966 Royal Enfield Continental GT 250
1996 BMW F650 Funduro 650
1996 Harley Davidson Sportster Sport [XL1200S] 1200
1997 Aprilia Moto 6.5 650
1999 Aprilia Moto 6.5 650
2002 Ducati Monster 900
2011 Moto Guzzi V7 Cafe 750
See the Jaguar or Austin or Others