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pat_murphy

08-31-2020 10:41 AM

500 EFI Fuel Pump Question

Does the Mercury 500 EFI have a mechanical and electric fuel pump?

JMD	08-31-2020 10:53 AM

The early ones only had the electric pump. Later versions went to the Seawater/Fuel Pump Combo with the Electric Pump as well.

jeff32

08-31-2020 11:26 AM

Got 2 electric pump on my 2000 model year

pat_murphy

08-31-2020 11:29 AM

So one pump feeds the other?

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