4. LUBRICATION SYSTEM AGILITY CITY 50 ASSEMBLY Inner Rotor Outer Rotor Install the outer rotor, inner rotor and pump shaft into the pump boby. Install the pump shaft by aligning the flat on the shaft with the flat in the inner rotor. Pump Shaft Install the pump cover and tighten the screws Screws to secure the pump cover. Pump Cover INSTALLATION First install the two O-rings onto the oil pump base. O-rings Oil pump Install the oil pump into the crankcase. Fill the oil pump with engine oil before installation. After the oil pump is installed, tighten the three mounting bolts. Bolts 4-5