Assembling The Oil Pump; Installing The Oil Pump And Balancer Gear - Yamaha YZ450FX 2019 Owner's Service Manual

1
2
3
1. Inner rotor
2. Outer rotor
3. Oil pump housing
3. Check:
• Oil pump operation
Rough movement  Repeat steps (1) and
(2) or replace the defective part(s).
EAM30137

ASSEMBLING THE OIL PUMP

1. Install:
• Oil pump drive shaft "1"
• Inner rotor "2"
• Dowel pin "3"
TIP
• Apply the engine oil on the oil pump drive shaft
and inner rotor.
• Fit the dowel pin into the groove in the inner ro-
tor.
3
2. Install:
• Outer rotor "1"
OIL PUMP AND BALANCER GEAR
TIP
Apply the engine oil on the outer rotor.
b
a
3. Install:
• Oil pump cover "1"
• Oil pump cover screw "2"
c
EAM30138
INSTALLING THE OIL PUMP AND
BALANCER GEAR
1. Install:
• Oil pump assembly "1"
• Oil pump assembly bolt "2"
1
2
ECA13890
NOTICE
After tightening the bolts, make sure the oil
5-55
1
E
Oil pump cover screw
2.0 N·m (0.20 kgf·m, 1.5 lb·ft)
Oil pump assembly bolt
5 N·m (0.5 kgf·m, 3.7 lb·ft)
LOCTITE®
LT
2 2
2
1
1 1 1