Yamaha WR250F Manuel D'atelier page 408

OIL PUMP
ASSEMBLY AND INSTALLATION
Oil pump
1. Install:
Oil pump drive shaft 1
G
Washer 2
G
Dowel pin 3
G
Inner rotor 1 4
G
NOTE:
Apply the engine oil on the oil pump drive
G
shaft and inner rotor 1.
Fit the dowel pin into the groove in the inner
G
rotor 1.
2. Install:
Outer rotor 1 1
G
NOTE:
Apply the engine oil on the outer rotor 1.
3. Install:
Oil pump cover 1
G
Screw (oil pump cover) 2
G
Dowel pin 3
G
Inner rotor 2 4
G
Circlip 5
G
NOTE:
Apply the engine oil on the inner rotor 2.
G
Fit the dowel pin into the groove in the inner
G
rotor 2.
4 - 70
ENG
3 Nm (0.3 m · kg, 2.2 ft · lb)