Products Snowmobile- YamahaTop End Gasket Kit Back Top End Gasket Kit 09-710171 Item number: 09-710171 Fit on models: 1987-1990 Yamaha EX 570 You May Also Be Interested In Top End Gasket Kit 09-710171 Top End Gasket Kit 09-710147C Gasket - Exhaust Outer 66V-41114-00 Gasket - Exhaust Pipe 66V-14613-00