https://www.dropbox.com/s/yj1gbpmpgho7wtm/Yeo_JNeurophysiol11_SplitLabels. zip?dl=0
Here are some other options that you may find useful when working with the Yeo atlas:
1). Use mri_annotation2label to convert the yeo annotation file to individual labels
2). Use mri_label2label to map each label from the fsaverage space to the individual subject space
Best,
External Email - Use Caution