9. CLUTCH/GEAR SHIFT MECHANISM ZING II 125 Clutch Center Remove the 20mm circlip using a pair of pliers and then remove the clutch center, clutch friction disks and plates. · When removing the circlip, do not expand it excessively to avoid deformation. · Install the circlip with the chamfered side facing down. 20mm Circlip Remove the balance shaft drive gear and Woodruff Key Woodruff Key woodruff key from the crankshaft. Remove the special flange gasket on the balance shaft driven gear, driven gear and woodruff key from the balance shaft. Remove the oil pump shaft. Be careful not to drop or lose the woodruff keys. Drive Gear Balance Gear Remove the thrust washer, clutch outer and outer guide. Clutch Outer Thrust Washer INSPECTION CLUTCH TENSION SPRING Measure each clutch tension spring free length. Service Limit: 34.20 mm Replace the spring with a new one if it is shorter than the service limit. 9-4