How do you bleed the rear wheel cylinder

Clean dirt from master cylinder fluid reservoir filler cap area.
Fill reservoir with brake fluid.
If master cylinder is known or suspected to have air in bore, bleed master cylinder first. To bleed brake system, release vacuum from power unit by depressing brake pedal several times.
Install clear vinyl bleed hose onto first bleed valve to be serviced.
Place other end of hose in clean transparent container.
Partially fill container with clean brake fluid so end of hose is submerged in fluid.
Open bleed valve 1-2 turns.
Have an assistant slowly depress brake pedal through its full travel.
Close bleed valve and release pedal.
Pump pedal several times to push air toward wheel cylinders.
Repeat procedure until flow of brake fluid is clear and shows no sign of air bubbles.
Proceed to next bleed valve.
Check brake pedal for firmness.
If brake pedal feels spongy, repeat bleeding procedure.
Top off brake fluid reservoir.