4. LUBRICATION SYSTEM MXU 250R/300R Measure the inner rotor-to-outer rotor Inner Rotor clearance. Service Limit: 0.2 mm (0.008 in) Outer Rotor Outer Rotor Measure the pump body-to-outer rotor clearance. Service Limit: 0.25 mm (0.01 in) Pump Body ASSEMBLY Outer Rotor Pump Cover Install the outer rotor, inner rotor and pump shaft into the pump body. Insert the pump shaft by aligning the flat on the shaft with the flat in the inner rotor. Install the dowel pin. Install the pump cover by aligning the hole in the cover with the dowel pin. Tighten the screw to the specified torque. Inner Rotor Dowel Pin Torque : 0.2 kgf-m (2 Nm, 1.5 lbf-ft) INSTALLATION Reverse the "OIL PUMP REMOVAL" procedures. Install the oil pump with the arrow on the pump body facing up and fill the oil pump with engine oil before installation. Oil Pump Bolts 4-5