7-10 ENGINE LUBRICATION SYSTEM
Oil Pump, Oil Pump Drive Chain
Oil Pump Removal
Split the crankcase (see Crankcase Splitting in the Crank-
Water Pump Impeller (see Water Pump Impeller Re-
moval in the Cooling System chapter)
Crankshaft (see Crankshaft Removal in the Crank-
Oil Pipes (see Oil Pipe (Crankcase Inside) Removal)
Oil Pump Cover Bolts [A]
Remove the following parts as a set.
Oil Pump Shaft [C]
Oil Pump Cover [D]
Balancer Shaft [E]
Oil Pump Installation
Replace the circlip [A] with a new one.
Oil Pump Shaft [B]
Oil Pump Cover [C]
Install a new circlip on the shaft so that the sharp edge
faces away from the sprocket.
Check that the dowel pin [A] is in place.
Replace the O-ring [B] with a new one.
Apply grease to the O-ring on the pump body.
Install the oil pump assembly [B] and balancer shaft [C]
along with the oil pump chain.
Apply a non-permanent locking agent to the threads of
the oil pump cover bolts [A], and tighten them.
Torque - Oil Pump Cover Bolts: 9.8 N·m (1.0 kgf·m, 87 in·lb)
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