12. CRANKCASE/CRANKSHAFT ATV 50 Remove the remaining bearing on the crankshaft side using the universal bearing puller. When separating the crankcase, the oil seals must be removed. Replace the oil seals with new ones. Special tool: Universal bearing puller A120E00030 Universal Bearing Puller CRANKSHAFT INSPECTION Measure the connecting rod big end side clearance. Service Limit: 0.6 mm (0.024 in) replace if over Measure the connecting rod big end radial clearance at two points in the X and Y directions. Service Limit: 0.04 mm (0.0016 in) replace if over 12-4