1988-1991 Yamaha Sno Scoot SV 80/E Snowmobile Service Manual, Page 21Get this manual
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OIL PUMP AIR BLEEDING
3 Place rag or oil pan under the oil pump
to catch oil
4 Remove:
- Bleed screw
5 Inspect:
- Gasket (Bleed screw) DamageReplace
6