1988-1991 Yamaha Sno Scoot SV 80/E Snowmobile Service Manual, Page 26Get this manual
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TRANSMISSION OIL REPLACEMENT 12 Install: -Shroud -Seat Refer to the "SEAT AND SHROUD INSTALLATION" section
6 Install: -Gasket (Drain bolt) -Drain bolt
Drain Bolt:
18 Nm (1.8 m