Links to products I have in my tool bag. Compression tester. https://amzn.to/2NMgeze Spark Checker. https://amzn.to/3bnXjmA Tygon Fuel Line. https://amzn.to/3aCGntm Carb Adjustment tools. https://amzn.to/3k7cgxe Primer Bulb. https://amzn.to/3dC0WYK Fuel Filter. https://amzn.to/2ZC0T7i Metering Diaphragm. https://amzn.to/2NIo5hw Piston RIng. https://amzn.to/3DEeHBd Cylinder Hone. https://amzn.to/3Sm2Ez9 Above are affiliate links which means we receive a percentage of the revenue made from purchasing products via those links. Follow up video. https://youtu.be/T_MQsmdakS0?si=yfZMfTOumXNlvmpl Thank you for watching. This weedeater wouldn't start or run and after a further look, it turns out it the piston ring was just worn out. This is my attempt to try and fix it. Disclaimer: I try and hone the cylinder as a test to see if it works and how long it might last. I would suggest replacing the cylinder instead.