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  1. Thread: VRO pump

    by racerone
    Replies
    20
    Views
    249

    Re: VRO pump

    There is a spot on the intake manifold to mount a pump with fuel in and fuel out hose.---The pump mounts directly over the pulse port with 2 screws ( 10-24 ) and a gasket.----That pulse port now has...
  2. Re: 1975 Evinrude 6hp 6504R, Throttle Automatically Decreases if Not Held in Place

    And what is wrong with you ?-----There must be hundreds of mechanics making this mistake them.-----I always find them with grease and will always grease them.------Nature will fool you.------Take for...
  3. Re: 1975 Evinrude 6hp 6504R, Throttle Automatically Decreases if Not Held in Place

    Strange then that a FACTORY manual that I looked at calls for greasing the friction block.-----Perhaps the owner of this motor should consult a manual.
  4. Replies
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    53

    Re: Help please - mercury 75hp outboard

    No need to drain the gear oil to work on ( remove ) the lower unit.----What did gear oil look like when you drained it ?----How much oil did you put back in the lower unit ?-----Mixing gas and oil...
  5. Thread: VRO pump

    by racerone
    Replies
    20
    Views
    249

    Re: VRO pump

    Take this pump apart for inspection.----They are proud of a new pump.
  6. Replies
    8
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    503

    Re: Identifying year/ model

    Some pictures will identify your 6 HP Johnson.
  7. Re: 1975 Evinrude 6hp 6504R, Throttle Automatically Decreases if Not Held in Place

    Fact-------The factory / dealer had a special tool to set the coils in the right place.-----The coils can be adjusted.------You could use tape on the heels to check clearance.-----Or wait for someone...
  8. Re: 1975 Evinrude 6hp 6504R, Throttle Automatically Decreases if Not Held in Place

    There should be a tapered " friction piece " and a spring way up inside the throttle grip.--------Perhaps it is due for inspection.-----You are sure that the coils are not rubbing on the flywheel ?
  9. Replies
    4
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    53

    Re: Help please - mercury 75hp outboard

    There must be more to this story.-------But remove drain plug and check gear oil.-----Then remove lower unit to see if motor will turn.
  10. Replies
    6
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    77

    Re: 97 8hp no high speed intermittently

    As most folks do you have jumped all over the fuel system.-----But I doubt that it is a fuel related problem.------So does spark jump a gap of 3/8" ( 1 cm ) on a test device, yes or no ?------Or run...
  11. Re: No fire to coil on a Johnson 50 special, 1996 model

    The neutral safety switch has nothing to do with spark to the plugs.-----Does this motor have the simple fuel pump on the top cylinder ?----If so have you looked at the diaphragm ?-----Looked at the...
  12. Replies
    4
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    56

    Re: Lower unit dilemma

    How about a piece of plywood to cover the hole , using 2 lower unit bolts to hold it in place.
  13. Re: VRO pumps work fine but are original I think. Is the best plan to replace with the latest VROs?

    I believe these V-8 motors use 2 VRO pumps.-------These pumps are easy to inspect / service.-----But that is my opinion.
  14. Re: VRO pumps work fine but are original I think. Is the best plan to replace with the latest VROs?

    These VRO pumps did not come out last weekend.-----Your local dealer would have the test procedures in a manual !!----If money is no problem for you then a new VRO pump is your best option.
  15. Re: VRO pumps work fine but are original I think. Is the best plan to replace with the latest VROs?

    ??-----Do you know how this pump works ?-----In the 5 years you have owned it have you tested the operation of the VRO to see if it is pumping the correct amount of oil ?----Have you tested it to...
  16. Replies
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    78

    Re: 1979 55HP lower unit removal

    These bolts often break off due to a process called " hydrogen embrittlement " that occurs on stainless in a salt environment or even fresh water.
  17. Replies
    10
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    78

    Re: 1979 55HP lower unit removal

    Sound like the driveshaft and crankshaft splines are jammed with RUST.----Or the stubs of the broken bolts are jammed with aluminum oxide ( white powder )-----This may be a time consuming...
  18. Replies
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    55

    Re: Lower Unit swap question.

    Post some model numbers or a bunch of pictures of this stuff.----A V-4 and 3 cylinder lower unit have a different bolt pattern !!---I just verified and checked on some bits I have laying around.--I...
  19. Replies
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    284

    Re: Engine is stalling out after planing out.

    If it is 335236 it shows they have 10 in stock.-------Every factory dealer will likely have it in stock too.
  20. Replies
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    55

    Re: Lower Unit swap question.

    There need to be some facts / pictures presented here.-----The V-4 model 1972 and older had a coarse spline similar to the 3 cylinder 1978 spline..--------The 73 and newer V-4 models had a fine...
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