500 EFI Fuel Pump Question

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08-31-2020, 10:41 AM

pat_murphy

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500 EFI Fuel Pump Question

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

08-31-2020, 10:53 AM

JMD

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

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08-31-2020, 11:26 AM

jeff32

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Got 2 electric pump on my 2000 model year

08-31-2020, 11:29 AM

pat_murphy

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So one pump feeds the other?

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