Rough running ECHOS
I have an issue with 3echo handhelds. An SRM 280 and 225 and a Pe 225. They run awesome at the first start of the day and run awesome through the first yard, but after they have been shut down for 20 minutes they crank hard and run like crap and want to cut off when ever then are given any gas. The only thing Inhave changed is I switched to Amsoil 2 stroke 80:1 mix and put an Amsoil ethanol treatment in the gas. Would these changes cause this? Only my ECHOS are affected my husvaranas have not been affected....