9. CLUTCH/GEAR SHIFT MECHANISM K-PIPE 125 Measure the O.D. of the crankshaft at the primary drive gear. SERVICE LIMIT: 18.92mm CLUTCH OUTER/OUTER GUIDE Inspect the clutch outer groove for scratches caused by the friction disks. Measure the clutch outer I.D. Service Limit: 113.5mm Measure the clutch outer guide I.D. and O.D. Service Limits: I.D. : 17.05mm O.D.: 21.89mm INSPECTION CLUTCH TENSION SPRING Measure each clutch tension spring free length. Service Limit: 21.8mm Replace the spring with a new one if it is shorter than the service limit. CLUTCH FRICTION DISK Measure each clutch friction disk thickness. Service Limit: 2.5mm 9-7