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 09-710168B Top End Gasket Kit 09-710171 O-Ring 3852565-5 Piston 13001-3720