RUBBER RING VARIATOR ROTOR MOWER ROTOR MOWER ROTOR MACHINE COMPATIBLE MTD MODELS 611 D , E 640 F , E 660 G , E 740 F , YM 6170 DE, YM 7110 DE , YM 7195 DE OUTER DIAMETER 125 mm INTERNAL DIAMETER 100 mm SPROCKET TEETH NUMBER - mm CODE: 25270274 ORIGINAL CODE: 735-0243B , 735-0243 , 935-0243 SR