Yamaha in chronological order
Yamaha YZ250 '1979
Yamaha YZ400 '1979
Yamaha YZR500 (OW45) '1979
Yamaha XS250 '1980
Yamaha XS250 Special North America '1980
![Yamaha XS250 Special [North America] '1980](https://s3.wheelsage.org/format/picture/picture-thumb-medium/y/yamaha/unsorted/yamaha_unsorted_1483.avif "Yamaha XS250 Special [North America] '1980")
![Yamaha XS250 Special [North America] '1980](https://s3.wheelsage.org/format/picture/picture-thumb-medium/y/yamaha/unsorted/yamaha_unsorted_1484.avif "Yamaha XS250 Special [North America] '1980")
![Yamaha XS250 Special [Japan] '1980](https://s3.wheelsage.org/format/picture/picture-thumb-medium/y/yamaha/unsorted/yamaha_unsorted_1478.avif "Yamaha XS250 Special [Japan] '1980")
![Yamaha XS250 Special [Japan] '1980](https://s3.wheelsage.org/format/picture/picture-thumb-medium/y/yamaha/unsorted/yamaha_unsorted_1481.avif "Yamaha XS250 Special [Japan] '1980")
![Yamaha XS250 Special [Japan] '1980](https://s3.wheelsage.org/format/picture/picture-thumb-medium/y/yamaha/unsorted/yamaha_unsorted_1477.avif "Yamaha XS250 Special [Japan] '1980")
![Yamaha XS250 Special [Japan] '1980](https://s3.wheelsage.org/format/picture/picture-thumb-medium/y/yamaha/unsorted/yamaha_unsorted_1476.avif "Yamaha XS250 Special [Japan] '1980")
WheelsAge.org '2005–pr.