4. LUBRICATION SYSTEM ATV 150/125 Screw DISASSEMBLY Remove the screw and disassemble the oil pump. Pump Body Outer Rotor INSPECTION Measure the pump body-to-outer rotor clearance. Service Limit: 0.12 mm (0.0048 in) Pump Body Outer Rotor Measure the inner rotor-to-outer rotor clearance. Service Limit: 0.12 mm (0.0048 in) Inner Rotor Measure the rotor end-to-pump body clearance. Service Limit: 0.2 mm (0.008 in) 4-5