GENUINE BRIGGS AND STRATTON STARTER MOTOR INGOOD WORKING ORDER..THIS IS A GENUINE BRIGGS ITEM NOT A CHINESE COPY WHICH CAN SUFFER FROM QUALITY. COPYS ARE CHEAP FOR A REASON... WILL FIT MOST SINGLE CYLINDER ENGINES NOT TWINS IT HAS A 14 TEETH METAL GEAR BUT CAN BE CHANGED FOR A PLASTIC ONE NO PROBLEM CAME FROM A WORKING ENGINE SO HAS BEEN TESTED ALL OK