Question about Lawn Trimmers & Edgers
The solution to the fuel starvation problem with the Echo 8000 is based on the metering diaphragm. In late 2007, Walbro sold off a huge amount of carb kits which were not ethanol compliant. These kits were purchased by resellers like Stens. Now that many states have ethanol blended gasoline, the metering diaphragm dissolves and hardens in the presence of the added ethanol. You will need the walbro carb kit with a 'new' metering diaphragm that is not sensitive to alcohol or mtbe which is the summer fuel additive also in alot of areas. Each kit comes with a date on the package, use Walbro K22-HDA manufactured after 06-2008. I run these saws that is how I know.
Posted on Aug 31, 2009
Check the fuek lines for hole and leaks, check the fuel filter and clean if necessary. remove the carbuerator and inspect the gasket; it should be soft and flexible, if it seems hard or brittle replace it. clean the carb with carb cleaner sray (available at any local auto parts store) and compressed air. make sure you get inside the small fuel rail holes. also check the primer bulb for pin holes and proper seating/seal. if that doesn't work have the carb repaired at a service center or replaced.
Posted on Nov 29, 2008
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