Kawasaki STX-15F service manual Oil Pump Removal, Oil Pump Installation

4-18 ENGINE LUBRICATION SYSTEM

Oil Pump Sprocket, Oil Pump and Oil Pressure Relief Valve

•Install the oil pump chain guide [A], collar [B], washer [C], and bolt [D] as shown.

•Install the chain guide spring [A] and the spring plate [B]. ○Insert the tab [C] of the spring plate in the hole [D] of the

crankcase.

Torque - Chain Guide Spring Plate Bolt: 7.8 N·m (0.80 kgf·m, 69 in·lb)

•Install:

Oil Pan (see Oil Pan Installation)

Oil Pump Removal

•Drain:Engine Oil (see Periodic Maintenance chapter)

•Remove:

Engine (see Engine Removal/Installation chapter) Oil Pan (see Oil Pan Removal)

Oil Pump Sprocket (see Oil Pump Sprocket Removal) Oil Pump Cover Bolts [A]

•Pull out the oil pump cover [B].

•Pull out the oil pump shaft [A] with inner rotor [B].

•Remove the outer rotor [C].

Oil Pump Installation

•Apply molybdenum disulfide oil solution to the outer and the inner rotors out side.

•Install the outer rotor [A] into the oil pump body.

•Apply molybdenum disulfide oil solution to the shaft.

•Assemble the pin [B] , inner rotor [C] onto the oil pump shaft [D].

○Fit the pin into the slot of the inner rotor.

•Insert the shaft assembly.

•Be sure the dowel pin [E] is in place in the pump body.

•Fit the new O-ring [F] to the groove of the pump body.

•Fit the oil pump cover and tighten the cover bolts.

Torque - Oil Pump Cover Bolts: 7.8 N·m (0.80 kgf·m, 69 in·lb)