4. LUBRICATION SYSTEM VITALITY 50 DISASSEMBLY Remove the screws and disassemble the oil pump. Bolts Screws Outer Rotor Pump Body INSPECTION Measure the pump body-to-outer rotor clearance. Service Limit: 0.25mm Outer Rotor Measure the inner rotor-to-outer rotor clearance. Service Limit: 0.2mm Inner Rotor 4-11