Oil Pump Assembly Check; Idle Gear Check; Drive Gear Check - Yamaha WaveRunner FZR-GX1800 Service Manual

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Oil cooler, oil pump assembly, and drive gear

Oil pump assembly check

NOTICE
The oil pump assembly should not be dis-
assembled.
1. Check:
• Oil pump assembly
• Oil pump driven gear 1
Cracks/damage → Replace the oil pump
assembly.
• Oil pump operation
Rough movement → Replace the oil
pump assembly.

Idle gear check

1. Check:
• Idle gear 1
Cracks/damage → Replace the idle
gear assembly.
• Shaft 2
Bends/wear → Replace the shaft.

Drive gear check

1. Check:
• Oil pump drive gear 1
• Supercharger drive gear 2
Cracks/damage → Replace.
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