Repair Clinic and E-Replacement Parts have parts. E Replacement Parts has exploded views of equipment. Stens has a FULL-LINE catalog for ALL kinds of 2 and 4 cycle equipment. It is their FULL-LINE catalog. It is a VERY good catalog! It has parts in bulk. Get the 12" hemostat pliers or the 45 degree hemostat pliers from Amazon to replace fuel lines and filters. Cut the lines at a slant to ease installation. Amazon has parts in bulk. Set the lo mixture for highest RPM's at idle and hi mixture for highest RPM's at full-throttle. Set the idle just until the chain just stops turning. Repair Clinic has an oil pump gear remover tool for Poulan. Amazon has swrench tools.