Bob like vintage has pointed out just the slave, easy peasy $150. for the new slave. #6 buy the seal #14 as well.
Drop the rear shock, climb underneath in the wheel well, cut down a stubby allen wrench, thinking 6mm.
I bleed mine twice a year and still have had to replace two of the shiting bastards...In 100k
Mity-vac makes it an easy chore. like vintage says bleeder right side under the 1.5 inch foam rubber thingy right below seat and zipped to frame.
consider adding a new speigler clutch line while you are under there. you will find corrosion on the banjo from handlebar line.