41 years
Suzuki KH80
Kawa A1SS 250
Kawa A7
Some box stuff like a 63 BSA Clubman
Suzuki GSX400E
Suzu GSX550E
Honda CBX400
Yamadog DX125
Yamadog DT125
Yamadog DT200
Gilera 500 Saturno
Gilera 500 Saturno (first one back ended)
Duck 93 750SS
Duck ST4Sabs
among others