Logo
Get instant online access to repair manuals for your Mercury / Mariner outboard. Online Manuals
MercuryMariner
Order printed Mercury / Mariner service manuals — shipped to your door! Printed Manuals
MercuryMariner
Use engine diagrams to find & order parts for your Mercury / Mariner engine. Engine Diagrams
MercuryMariner
Find parts quickly with Mercury application guides. Quick Parts Guide
MercurySierraCDI
Results 1 to 2 of 2
  1. #1

    Default fuel pump check valves 1974 1150

    i'm waiting for fuel pump rebuild kit how do the check valves go in there's only one way in the fuel pump casing but i noticed a number 2 on one of the valves does it stay up or does it go down does and there are two tubes that are attached to the plate where the vacuum comes from which tube goes where on the pump body's lower casing

  2. #2
    Join Date
    Sep 2003
    Location
    New Tripoli, PA, USA!
    Posts
    16,829

    Default Re: fuel pump check valves 1974 1150

    The check valves only go in one way.

    Jeff

Similar Threads

  1. 73 Merc 1150. Fuel pump problems.
    By trev3813 in forum Mercury Mariner Outboard Forum
    Replies: 9
    Last Post: 07-03-2020, 01:45 AM
  2. Check Valves on Manifold
    By MitchB in forum Johnson Evinrude Outboard Forum
    Replies: 3
    Last Post: 09-13-2013, 08:49 AM
  3. Replies: 0
    Last Post: 05-02-2013, 07:44 PM
  4. Are duel fuel check valves necessary?
    By fishnfowlr in forum Mercury Mariner Outboard Forum
    Replies: 2
    Last Post: 08-29-2012, 10:21 PM
  5. 1986 Johnson 150 Check Valves / Recirculation valves Diagram
    By wtp in forum Johnson Evinrude Outboard Forum
    Replies: 5
    Last Post: 08-14-2011, 07:22 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •