WHILE WINTERIZING MY MOTOR THE PLASTIC STEM ON A WD-40 CAN WAS CUT OFF BY THE PISTON IT IS ABOUT 2 INCHES IN LENGTH AND WAS CUT ON THE LEFT SIDE OF <br />THE CYLINDER iS THAT THE INTAKE OR EXHAUST PORT<br />THE PISTON WAS MOVED WHILE SPRAYING. DO i HAVE TO TAKE THEW MOTOR APART TO RETRIVE STEM<br /><br />THANKS HOTNOVA