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Briggs and Stratton 4.5hp not priming

philnotfil's Avatar

Join Date: Jun 2007
Posts: 2

11-24-12, 09:48 AM   #1  
Briggs and Stratton 4.5hp not priming

Briggs and Stratton 10H902 on a Murray push mower. Cleaned carb, replaced diaphragm, tested primer bulb while not attached to gas tank, it works just fine, changed gas in tank. Nothing doing when everything is put together.

What have I missed?

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cheese's Avatar
Forum Topic Moderator

Join Date: Jul 2001
Posts: 16,567

11-24-12, 11:06 AM   #2  
Sounds like maybe something got stuck in one of the check valves or something is out of place with the diaphragm. Did you put the diaphragm on the tank, then the gasket, then the carb?

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