10. CRANKCASE/CRANKSHAFT/TRANS- MISSION SYSTEM/STARTER SPINDLE QUANNON 125 CRANKSHAFT INSPECTION Measure the connecting rod big end side clearance. Service Limit: 0.80mm replace if over Measure the crankshaft runout. Service Limit: 0.1mm replace if over A B Check the crankshaft bearings for noise or excessive free play. Replace if necessary. Drive out the crankshaft bearings using the universal bearing puller. Special Tool Universal Bearing Puller E030 Bearings 10-10