Assembling The Oil Pump; Installing The Oil Pump And Balancer Gear - Yamaha WR450FB 2012 Owner's Service Manual

EAS1DX3187
ASSEM BLING THE OIL PUMP
1. Install:
• Oil pump drive shaft "1"
• Washer"2"
•• Dowel pin "3"
• Inner rotor 1 "4"
TIP _____ _____ _ _ _ _
• Apply the engine oil on the oil pump drive
shaft and inner rotor 1.
• Fit the dowel pin into the groove in the inner
rotor 1.
2. Install:
• Outer rotor 1 "1"
TIP _____________ _
Apply the engine oil on the outer rotor 1.
3. Install:
• Oil pump cover "1"
• Oil pump cover screw "2"
� - Oil pump cover screw
2 Nm (0.2 m·kgf, 1.4ft-lbf)
��
• Dowel pin "3"
• Inner rotor 2 "4"
• Circlip "5"DDI.I
TIP _____________ _
• Apply the engine oil on the oil pump drive
shaft end and inner rotor 2.
• Fit the dowel pin into the groove in the inner
rotor 2.
OIL PUMP AND BALANCER GEAR
4. Check:
• Oil pump operation
Refer to "CHECKING THE OIL PUMP" on
page 6-54.
EAS1DX3188
INSTALLING THE OIL PUMP AND BALANC-
ER GEAR
1. Install:
• Outer rotor 2 "1"
• Dowel pin "2"
• Oil pump assembly "3"
• Oil pump assembly bolt "4"
TIP _____________ _
Apply the engine oil on the outer rotor 2.
1
-------------
ECA1DX1023
After tightening the bolts, make sure the oil
pump turns smoothly.
2. Install:
• Oil pump drive gear "1"
• Washer "2"
• Circlip "3"1m1J
TIP _____________ _
Apply the engine oil on the oil pump drive gear
inner circumference.
6-55
Oil pump assembly bolt
10 Nm (1.0 m·kgf, 7.2 ft-lbf)