CFMoto use 2 suppliers for this parts, one of the pulley without Strengthen on Primary Tight Pulley Assy. (0180-051204), one with Strengthen on Primar..
CF Moto listed part number is 0180-051001-000323TThis one will not fit 0180-051000, If you have MC type Primary Tight Pulley, please order 0180-051001..