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Thread: Boat fails to proceede

  1. 12th January 2013, 08:29 PM #1
    LandyAndy's Avatar
    LandyAndy
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    Boat fails to proceede

    Guys
    Any help appreciated.
    2003 75HP Merc 2 stroke.182hrs on clock.
    Every trip,ie several days fishing,or even a single outing,my boat looses power and stops once.Re-prime the bulb and she goes as if nothing happened.
    Before my Albany trip I replaced the fuel lines,prime bulb and fitted hose clamps instead of zip ties.
    Yesterday she stopped again,on the 5th trip in 6 days.Same story,squeeze the bulb and away we go.The bulb did have air in it.I have a 120lt in hull tank,oil injection.
    HELP,the Mrs wasnt too happy.
    Andrew
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  2. 12th January 2013, 08:43 PM #2
    Ean Austral Guest
    Gday Andrew,

    Is it possible that the fuel tank breather is getting blocked or pinched by something and when you move to restart the engine it comes free again... Dont laugh when we had the hire boat business this happened to us on more then 1 occasion.

    Just a simple start point.

    Cheers Ean
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  3. 12th January 2013, 08:48 PM #3
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    Ean.
    I bought enough fuel hose to replace the 2 breathers at the same time,only to find they are bigger diameter than the main fuel line.
    1 of the 2 hoses does have kinks in it,its the one on the fuel fill side.Fuel squirts out of that breather first when filling so I thought it should be OK.
    Andrew
    DISCOVERY IS TO BE DISOWNED
    Midlife Crisis.Im going to get stuck into mine early and ENJOY it.
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  4. 12th January 2013, 10:30 PM #4
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    dswatts
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    A mate had the same issue, new elcheapo hose fixed it.( complete hose, priming bulb and ends)
    Sounds like it could be sucking air?
    03 Disco 2a, TD5, Olso blue, 7 seater, Auto, Chipped, EGR'd, 2"lift, SLS, Dual Batteries, Provent, TM-2 engine saver
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  5. 12th January 2013, 11:51 PM #5
    Racer-X Guest
    Check the fuel pump
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  6. 13th January 2013, 06:46 AM #6
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    Does it have those quick connect fuel couplings where the hose attaches to the motor Andy. If it does that could be the problem. They have a small o ring inside them, which may need replacing. Even a small nick in this o ring can cause air to be sucked in.
    Cheers......Brian
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  7. 13th January 2013, 08:29 AM #7
    Ean Austral Guest
    G'day Andrew
    Remember a underfloor tank will have baffles in it and if the breather on one side is not working it could be enough to restrict it enough to cause the problem. It seems that once the suction from the fuel pump stops and it can pressurise enough and you prime the fuel back up it goes again.

    Cheers Ean
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  8. 13th January 2013, 08:56 AM #8
    disco2_dan
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    Could be a little air leak and its just enough after a period if time to stop the fuel pressure?
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  9. 13th January 2013, 11:15 AM #9
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    Quote Originally Posted by Bearman View Post
    Does it have those quick connect fuel couplings where the hose attaches to the motor Andy. If it does that could be the problem. They have a small o ring inside them, which may need replacing. Even a small nick in this o ring can cause air to be sucked in.
    No quick connects,plumbed from tank to large filter and then prime bulb/motor.
    Andrew
    DISCOVERY IS TO BE DISOWNED
    Midlife Crisis.Im going to get stuck into mine early and ENJOY it.
    Snow White MY14 TDV6 D4
    Alotta Fagina MY14 CAT 12M Motor Grader
    2003 Stacer 525 Sea Master Sport
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  10. 13th January 2013, 11:16 AM #10
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    Quote Originally Posted by dswatts View Post
    A mate had the same issue, new elcheapo hose fixed it.( complete hose, priming bulb and ends)
    Sounds like it could be sucking air?
    Is all new Dylan,prior to going to Albany.
    Andrew
    DISCOVERY IS TO BE DISOWNED
    Midlife Crisis.Im going to get stuck into mine early and ENJOY it.
    Snow White MY14 TDV6 D4
    Alotta Fagina MY14 CAT 12M Motor Grader
    2003 Stacer 525 Sea Master Sport
    I made the 1 millionth AULRO post
    Reply With Quote Reply With Quote
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