Installing The Oil Pump - Yamaha YZ450FX 2021 Owner's Service Manual

3
2. Install:
• Outer rotor "1"
TIP
Apply the engine oil on the outer rotor.
E
3. Install:
• Oil pump cover "1"
• Oil pump cover screw "2"
Oil pump cover screw
2.0 N·m (0.20 kgf·m, 1.5 lb·ft)
EAM30486

INSTALLING THE OIL PUMP

1. Install:
• Oil pump assembly "1"
• Oil pump assembly bolt "2"
Oil pump assembly bolt
5 N·m (0.5 kgf·m, 3.7 lb·ft)
LOCTITE®
1
2
1
2
1
5-61
LT
2 2
ECA13890
NOTICE
After tightening the bolts, make sure the oil
pump turns smoothly.
2. Install:
• Balancer weight gear "1"
TIP
Install the balancer weight gear and balancer
shaft with their lower splines "a" aligning with
each other.
1
LT
3. Install:
• Balancer drive gear "1"
TIP
• Align the punched mark "a" on the balancer
drive gear with the punched mark "b" on the
balancer weight gear.
• Install the balancer drive gear and crankshaft
with the lower splines "c" aligning with each
other.
a a
1 1
OIL PUMP
1 1 1
a c
b b
c c