04 50hp johnson

Discussion in 'Outboard Maintenance' started by galleta_loco, Aug 15, 2009.

  1. galleta_loco

    galleta_loco Well-Known Member

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    I've got a ground wire that is tagged FUEL ,does this power the VRO ? Is the fuel pump itself mechanical? Thanks
     
  2. Brett

    Brett > PRO STAFF <

    There is an electrical connection to the fuel-oil pump.

    http://www.crowleymarine.com/brp_parts/diagrams/17323.cfm

    I've never worked on a 2004 Johnson, so I don't know how the pump is driven.
    Older models were driven by pressure changes from the crankcase.
     

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