11.CRANKCASE/CRANKSHAFT Mongoose/KXR 90/50 CRANKSHAFT INSPECTION Measure the connecting rod small end I.D. Service Limit: 13.06 mm replace if over Measure the connecting rod small end free A play (A). Out of specification (0.05 ~ 0.4 mm) B B Replace the crankshaft. Measure the crankshaft run out (B). Service Limit: 0.10mm replace if over C Measure the connecting rod big end side D clearance (C). Service Limit: 0.05mm replace if over Measure the crank width (D). Out of specification (45.15 ~ 45.2 mm) Replace the crankshaft. Turn the crankshaft bearings and check for Play excessive play. Play Measure the crankshaft bearing play. Service Limit: Axial : 0.20mm replace if over Radial : 0.05mm replace if over Axial Radial 11-5