Yamaha Fascino S 2021 Supplementary Service Manual page 43

EAS30340
CHECKING THE OIL STRAINER
1. Check:
• Oil strainer
Damage  Replace.
Contaminants  Clean with solvent.
EAS30337
CHECKING THE OIL PUMP
1. Check:
• Oil pump drive gear
• Oil pump driven gear
• Oil pump housing
• Oil pump housing cover
Cracks/damage/wear  Replace the oil
pump.
2. Check:
• Oil pump operation
Rough movement  Repeat steps (1) or re-
place the oil pump.
EAS30342
ASSEMBLING THE OIL PUMP
1. Lubricate:
• Inner rotor
• Outer rotor
• Oil pump shaft
Recommended lubricant
Engine oil
2. Install:
• Oil pump assembly
New
• O-ring
New
• Oil seal
• Oil pump cover
OIL PUMP
4-2
ENG