Push Mower w/ B&S engine. Primer bulb question.


Old 08-10-15, 02:09 PM
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Location: north dakota
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Push Mower w/ B&S engine. Primer bulb question.

Have a Poulan push mower with 158cc B&S engine model 10T502

The primer button does not pop back. (Doesn't pop back in my hand either)
Probably need primer button.
In my pic, there are 2 steel balls (1 really tiny) and one hole. Where does the primer get gas, where does it go to the carb, where is the vent? Is the larger steel ball supposed to fall out of there? Tried magnet - no luck. The tiny one moves if I touch it with a pic.
Haven't got a new primer yet. Thought I might have to do some passageway cleaning before installing.
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Old 08-10-15, 04:34 PM
cheese's Avatar
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It pushes out the port with the green rubber seat and pull in through the port just below it if I recall correctly.

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