How to Replace a Primer Bulb
Replacing primer bulbs in small engines is one of the most common types of tool repairs, and this article explains professional steps for primer bulb replacement in two engine design types.
How to Replace Trimmer Fuel Lines
Grass trimmers commonly need their fuel lines and other system comenents replaced, and this article offers professional repair advice for performing a trimmer fuel line replacement.
Discussion for the Ryobi 720TP (201043920) Trimmer
Is it possible to just replace the shaft cable or do you have to buy the complete upper shaft assembly? There is also a spring on the top part of the cable. Does anyone know if you can buy the cable and spring to repair the assembly? Neither part is listed seperately on the parts diagram. Thanks