BSA Bantam field bike at 14
Fantic GT at 16
Rickman Zundapp 125 at 17
RD200 at 18
over the next half a dozen years Harley/Aermacchi 250, CB500T, XS650SE, Suzi X250 Kwak 250 motocrosser, Suzi GT750 CB750F Kawasaki Z750, Company car for a couple of years.
At 28 VF750C, then TDM850, TRX850, XJR1100, TDM850 again, VFR750, Firestorm. Wrote off Firestorm the same year my second child was born, so gave up the bikes for a bit.
15 years later Aprilia Shiver, Tracer, XSR900 (plus Honda Deauville so I don't have to clean the XSR in the winter!)