We offer genuine Yamaha carburetor main nozzles for the classic Sno-scoot 80. This jet tube is installed in the center port under the float bowl (goes in same hole as the float bowl mounting bolt) and the Yamaha part number is 85G-14941-7E-00. This is a stock replacement part for all 1988-1990 Yamaha Sno-scoot 80 models.