Repair Clinic and E-Replacement Parts have parts. E Replacement Parts has exploded views of equipment. Amazon has parts in bulk. Get Amazon's 12" hemostat pliers or the 45 degree hemostat pliers to replace fuel lines and filters. Cut line at a slant to ease installation. Set the lo mixture for highest RPM's at idle and the hi mixture for highest RPM's at full-throttle. Set the idle until the spool just stops. Stens has a catalog for 2 and 4 cycle equipment. It is their FULL-LINE catalog. It is a VERY good catalog! Check Amazon for availability. Stens has diaphrams in bulk. It is diaphragm only instead of needing the kit. Check carb. make and model for correct kit. Stens has diaphrams for WT carbs. and others.