2007 Arctic Cat Y-12 90cc ATV Service Manual, Page 102Get this manual
3Install the brake cable to the lever assembly
6Remove the cover from the master cylinder and fill with DOT brake fluid; then install the cover7Place suitable container under the master cylinder and compress the lever slowlyBrake fluid should flow from the loose connection8Tighten the brakeline hose bolt to specifications (see Section 10); then check the rear brake operationThe brake lever should be firm and the rear brake should stop the wheelsNOTE: If the brake is not firm, the system must be bled (see Brake SystemsBLEEDING in Section 2)