I've worked on a lot of lawn mowers, but this one has me scratching my head.
Since it starts right back up, that rules out valve clearance, and bad
Makes me wonder about water in the gas, or bad gaskets as you say. Always a
good idea to pull the motor cover off, and clean off any grease, grass, or
dust from the top of the motor. Air cooled, you know.
If the primer is sucking air, makes me wonder if the vents in the gas cap
are clogged? Or, if the fuel line from the tank to the carb has a problem.
Try running the mower with the gas cap loose half a turn or so. The more I'm
thinking, the more it sounds like a clogged gas cap vent. Needs to draw air
in, to replace the gasoline that is going out.
Christopher A. Young
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