Author Topic: Stihl MS 251. GAS filling up piston chamber just sitting.?  (Read 334 times)

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Offline scbuddney

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Stihl MS 251. GAS filling up piston chamber just sitting.?
« on: September 23, 2018, 04:52:49 pm »
I have this stihl MS 251. As the main line says The piston area fills with gas and runs out of the muffler. I turn the chainsaw upside down and the gas pours out of sparkplug hole. Its been sitting for almost a year. This happened when I fill it with gas and wanted to use for the hurricane here. Of course it was into hydraulic lock. Any idea's? Thanks for your response in advance..  :-\

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