I assume you own one & know the answer. I own two Echo STR-210'S that are at least 15 & 20 years old & are still being used. This Forum's purpose is to help, aid, & assist folks with their outdoor power equipment. Technical advice, locating manuals, troubleshooting mechanical & electrical issues, locating parts, Safety First, etc. are a few of the topics we help folks with. We ask folks to post product manufacturer, engine make, model & serial numbers from product & engine. Welcome to the Forum T/AChad.