Brand new headstock / steering bearing set to fit:
Yamaha YZ 100 (1982-1983).
This set of steering bearings are taper roller style and have been manufactured to replace the original head stock bearings on a YZ100 for the years and models shown above.
Top bearing sized ID25 x OD47 x WTH15 and bottom bearing sized ID30x OD55 x WTH17 . All sizes in mm