New OEM Chain Slider/Guide. Compatible With Yamaha IT175 (1982 - 1983), Yamaha IT250 (1983), (1983 - 1984) Yamaha IT490, (1983 - 1986) Yamaha TT600, (1982 - 1984) Yamaha YZ125, (1982 - 1984) Yamaha YZ250, (1982 - 1983) Yamaha YZ490