We offer genuine Yamaha carburetor choke plunger springs for the classic Sno-scoot 80. This spring sits on top of the choke plunger, pushing it down to seal when the choke lever is not on. The Yamaha part number is 127-14135-00-00 and it is a stock replacement part for all 1988-1990 Yamaha Sno-scoot 80 models.