13. HYDRAULIC BRAKE ZING125 Screws BRAKE FLUID CHANGE/AIR BLEED Place the motorcycle on its main stand on level ground and set the handlebar upright. Remove the two screws attaching the brake fluid reservoir cap. Use shop towels to cover plastic parts and coated surfaces to avoid damage caused by splash of brake fluid. Loosen the bleed valve nut. BRAKE FLUID REFILLING Loosen the bleed valve nut. Fill the brake reservoir with brake fluid and use the syringe to draw brake fluid into it until there is no air bubbles in the hose. Bleed Valve Then, tighten the bleed valve nut. Brake Reservoir · When drawing brake fluid with the syringe, the brake fluid level should be kept over 1/2 of the brake reservoir height. · Use only the recommended brake fluid. Recommended Brake Fluid: DOT-4 BRAKE SYSTEM BLEEDING Fully apply the brake lever after continuously pull it several times. Then, Bleed Valve loosen the bleed valve nut to bleed air from the brake system. Repeat these steps until the brake system is free of air. When bleeding air from the brake system, the brake fluid level should be kept over 1/2 of the brake reservoir height. Brake Lever Bleed Valve 13-3