bob
New Member
Posts: 5 
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Post by bob on Dec 10, 2015 13:53:51 GMT
After a long lay-off, fuel pump not self-priming. After filling carburettor float bowl, engine starts, and there is no more problem until the next lengthy lay-off. Any ideas?
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Post by rogerc on Dec 18, 2015 7:32:46 GMT
Loss of priming of both electric and mechanical fuel pumps can be caused by debris on the suction gauze fuel filter drying out and effectively causing a blockage. Some pumping performance will be restored when whetted by fuel. Less likely, the pump internal valves have not sealed when trying to suck air initially when dry.
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