Yamaha RS90K Manuel D'atelier page 512

OIL PAN AND OIL PUMP
INSTALLATION
1. Lubricate:
2. Install:
a
NOTE:
• Each set of inner and outer rotors should be
b installed with both punch marks a facing in the
same direction, either away from or towards the
oil pump assembly.
• When installing the inner rotor, align the pin in the
oil pump shaft with the groove b on the inner
rotor.
3. Inspect:
4. Install:
5-47
• Inner rotor
• Outer rotor
• Oil pump shaft
(with the recommended lubricant)
Recommended lubricant:
Engine oil
• Pin
• Inner rotor
• Outer rotor
• Oil pump operation
Unsmooth operation → Replace.
• Oil pump assembly
• Oil pump assembly bolt
Oil pump assembly bolt:
12 Nm (1.2 m · kg, 8.7 ft · lb)
ENG