12. REAR WHEEL/BRAKE/SUSPENSION ZING125 Measure the brake drum I.D. Service Limit: 131mm replace if over DISASSEMBLY Remove the springs and brake shoes. Brake Shoes Remove the brake arm bolt to remove the Brake Arm Bolt brake arm. Remove the oil seal. Remove the brake cam. ASSEMBLY Grease · Keep grease off the linings because contaminated brake linings reduce Brake Cam stopping power. · When installing, wipe any excess grease off the brake cam. Springs Grease Brake Lining 12-6