4. LUBRICATION SYSTEM STRYKER 125/150 Outer Rotor Oil Pump Body Inner Rotor Measure the inner rotor-to-outer rotor clearance. Service Limit: 0.20mm Feeler Gauge Measure the rotor end-to-pump body clearance. Service Limit: 0.15mm Feeler Gauge ASSEMBLY Inner Rotor Outer Rotor Install the outer rotor and inner rotor into the pump body. Insert the pump shaft. Insert the pump shaft by aligning the flat on the shaft with the flat in the inner rotor. Install the gasket and pump cover. Tighten the screw. After installation, make sure that the pump shaft rotates freely. Pump Cover 4-5