Products Snowmobile- YamahaFull Gasket Kit Back Full Gasket Kit 09-711142C Item number: 09-711142C Fit on models: 1989-1990 Yamaha CS 340, E You May Also Be Interested In Full Gasket Kit 09-711027 A Full Gasket Kit 09-711168B Oil Seal Kit 09-55220 Piston Kit 09-681-02