Install the oil pump cover [A].
While pushing the oil pump cover, tighten the oil pump
cover bolts following the sequence number as shown.
Thread length of the bolt is 16 mm (0.63 in.) only in the
bolt installed thirdly. (KX450D6F ∼ D7F)
Thread length of the bolts is 16 mm (0.63 in.) in the bolts
installed thirdly and fifthly. (KX450D8F)
[B] KX450D6F ∼ D7F
Torque - Oil Pump (Feed) Cover Bolts: 9.8 N·m (1.0 kgf·m,
Install the oil pump idle gear [A] facing the stepped side
[B] to the outside.
Replace the circlip [C] with a new one.
Install the oil pump driven gear [D] and circlip.
Oil Pump Inspection
Remove the oil pump.
Visually inspect the oil pump body, outer rotors and the
If the oil pump is any damaged or unevenly worn, replace
the rotors, cover, or body, or the crankcase.
ENGINE LUBRICATION SYSTEM 7-15