1986 35 HP Fuel Pump Port ~ Plugged?

HeliChopped

Cadet
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Jun 19, 2009
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26
Motor idles fine for awhile than stumbles and quits. If I'm quick on the draw when it stumbles a few pumps on the bulb smoothes it right out. I pulled the fuel pump apart to replace the nasty looking diaphragm and found this port to be full of gunk. Should it be clear?

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I dug some of it out but was wondering if it was even necessary.

I want to also add, the gunk I was digging out seemed to be old gasket material and since this is on a plate (see black ring around larger port on the upper left, that is gasket material) it is not used on this model.
 

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