How much oil does a 1997 Yamaha yz125 hold?

Sign up at myyamaha.com and download the service data sheet for your bike which lists the oil type and capacity. https://www.yamaha-motor.com/sport/myyamaha/login/L3Nwb3J0L215eWFtYWhhL2hvbWUuYXNweA==/starthere.