Echo Es210 Shredder "spark plug spinning wont" Questions

...disconnected- you wont be able to shut it off. Tip 2. Laying a spark plug on the head or grabbling the end of the plug wire are not reliable ways to test for spark. You should use a spark

...even when the equipment is off. If the engine wont fully rotate. it may be Hydro locking..way too much gas in the Cylinder. Take spark plug out and try to start, see if gas spits out of the Plug