Installing The Oil Pump - Yamaha YZ250FXM 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:
• Spring "1"
• Relief valve "2"
• Pin "3"
TIP
• Install the spring "1" and relief valve "2", and
pin "3". After installing, make sure that the relief
valve "2" does not come loose.
• Install the relief valve before installing the pri-
1
2
1
2
1
5-63
mary drive gear and collar.
3
1
2
2. 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®
LT
2 2
ECA13890
NOTICE
After tightening the bolts, make sure the oil
pump turns smoothly.
3. Install:
• Collar "1"
• Balancer weight gear "2"
TIP
Install the balancer weight gear and balancer
shaft with their lower splines "a" aligning with
each other.
1
2
OIL PUMP
1