1988-1991 Yamaha Sno Scoot SV 80/E Snowmobile Service Manual, Page 97Get this manual
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CARBURETOR 2 Tighten: .Pilot jet Main nozzle Main jet Valve seat Pilot Jet: Nm (0.1 kg, 0.7 ftlb) Main nozzle: Nm (0.2 kg, 1.4 ft Ib) Main Jet: Nm (0.2 kg, 1.4 ftlb) Valve Seat Nm (0.5 kg, 3.6 ftlb)