The chainsaw fuel lines that carry fuel from the tank to the carburetor can clog, crimp or crack over time. Damaged fuel lines restrict fuel flow and prevent the engine from starting. If the chainsaw won’t start, clear clogs and check the fuel lines for cracks or crimps. Replace damaged or crimped fuel lines with the manufacturer-approved chainsaw part, following the instructions in this DIY chainsaw repair guide.
Follow the steps in this repair guide to replace fuel lines in common Craftsman, Husqvarna, McCulloch, MTD, Poulan and Troybilt chainsaws.