| YELROMA | MOTOCICLETA | AUSTRALIA | MINLATON-Yorke Peninsula - SOUTH AUSTRALIA | 1915 |
| YELVERTON - UNION | MOTOCICLETA | REINO UNIDO | TAVISTOCK - DEVON | 1921 |
| YINGANG | MOTOCICLETA | CHINA | BEIBEI QU - CHONGQING (Desconocido) | 1990 |
| YMC | MOTOCICLETA | GRECIA | ATHINA - ATTIKI | 2001 |
| YORK (Coventry) | MOTOCICLETA | REINO UNIDO | COVENTRY - WARWICKSHIRE | 1927 |
| YORK (Wien) | MOTOCICLETA | AUSTRIA | WIEN - HALLE (Saale) - WIEN - SACHSEN | 1927 |
| YOUAH | 3RUEDAS | IRÁN | TEHERAN - TEHERAN | 1959 |
| YOUNG (Hornsey) | MOTOR | REINO UNIDO | HORNSEY - NORTH LONDON - MIDDLESEX - LONDON COUNTY | 1919 |
| YOUNG (Nottingham) | MOTOCICLETA | REINO UNIDO | NOTTINGHAM - NOTTINGHAMSHIRE | 1904 |
| YUSHKOV | TRICICLO | RUSIA | - | 1910 |
| YZR | MOTOCICLETA | AUSTRALIA | MELBOURNE - VICTORIA | 1998 |
| ZABEL | MOTOR | ALEMANIA | WIESENBURG/MARK - BRANDENBURG | 1990 |
| ŻAK | CICLOMOTOR | POLONIA | SŁAWKÓW - WOJEWÓDZTWO ŚLĄSKIE | 1853 - 1960 |
| ZAMBA | MOTOCARRO | GRECIA | ATHINA - ATTIKI | 1950,s - 19870,s |
| ZAMCO | MOTOCICLETA | JAMAICA | KINGSTON (JA) - SURREY (JA) | |
| ZANETTI | MOTOR AUXILIAR | ITALIA | BOLOGNA - BOLOGNA | 1964 |
| ZANONI | ESCÚTER | ITALIA | ARLUNO - MILANO | 1952 |
| ZANZANI | MOTOCICLETA | ITALIA | PESARO - PESARO e URBINO | 1961 |
| ZANZI-PIVIERE | VELOMOTOR | ITALIA | IVRY-sur-SEINE - TORINO | 1953 |
| ZAP (Sebastopol (CA) - Santa Rosa) | TRICAR | USA | SEBASTOPOL (CA) - SANTA ROSA - CALIFORNIA | 1994 |