12. CRANKCASE/CRANKSHAFT ATV 50 CRANKCASE SEPARATION Remove the crankcase attaching bolts. Bolt Crankcase Puller Attach the crankcase puller on the right crankcase and remove the right crankcase from the left crankcase. Special tool: Crankcase puller A120E00026 Crankcase Puller CRANKSHAFT REMOVAL Attach the crankcase puller on the left crankcase and remove the crankshaft from the left crankcase. When removing the crankshaft, do it slowly and gently. Special tool: Crankcase puller A120E00026 12-3