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Leaking petcock

  • 20-07-2012 11:50am
    #1
    defike
    Registered Users, Registered Users 2 Posts: 222 ✭✭


    When I was young I was told you should always turn off the petrol at the petcock when parked.(my bike is sometimes parked foe 2 weeks).
    I have been doing this and now my petcock is leaking I think from over use.
    Do ye ever turn it off and is there a problem with leaving it always on.


Comments

  • #2
    Wonda-Boy
    Registered Users, Registered Users 2 Posts: 10,013 ✭✭✭✭Wonda-Boy


    How old is the bike? And TBH 2 weeks is not a long time for a bike to be left without a start up or a ride......


  • #3
    defike
    Registered Users, Registered Users 2 Posts: 222 ✭✭defike


    '07 125cc.


  • #4
    galwaytt
    Registered Users, Registered Users 2 Posts: 12,784 ✭✭✭✭galwaytt


    ...the only problem with leaving it leaking is the fact that it costs €1.60 a litre. That's enough for me to fix it, right there.

    That, and fire.

    Ode To The Motorist

    “And my existence, while grotesque and incomprehensible to you, generates funds to the exchequer. You don't want to acknowledge that as truth because, deep down in places you don't talk about at the Green Party, you want me on that road, you need me on that road. We use words like freedom, enjoyment, sport and community. We use these words as the backbone of a life spent instilling those values in our families and loved ones. You use them as a punch line. I have neither the time nor the inclination to explain myself to a man who rises and sleeps under the tax revenue and the very freedom to spend it that I provide, and then questions the manner in which I provide it. I would rather you just said "thank you" and went on your way. Otherwise I suggest you pick up a bus pass and get the ********* ********* off the road” 



  • #5
    Wonda-Boy
    Registered Users, Registered Users 2 Posts: 10,013 ✭✭✭✭Wonda-Boy


    LMAO.....ya big time.....:p


  • #6
    Pique
    Registered Users, Registered Users 2 Posts: 3,052 ✭✭✭Pique


    Most misleading thread title ever...
    Thought I was in AH for a second.


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  • #7
    Hotblack Desiato
    Registered Users, Registered Users 2 Posts: 35,411 ✭✭✭✭Hotblack Desiato


    It's "fuel tap" not petcock, that's a horrible non-word the Americans invented.
    And most bikes don't have them any more.
    My first bike had a carb needle valve that tended to be sticky, if I didn't shut off the fuel tap at night then there was a good chance of a puddle of fuel under the bike in the morning.*
    It's there to be used, you don't worry about your ignition switch wearing out do you?
    If it's leaking then there's probably a seal/gasket kit available to fix it.


    * That bike was a 2-stroke, with the carb on the crankcase so leaking fuel couldn't enter the cylinder.
    On a 4-stroke bike there's the risk that if you leave the fuel tap on, and your carb needle valves are a bit sticky, you can fill a cylinder full of fuel, hydraulic lock the engine (liquids don't compress) and bend a con rod when you try to start it... Or if the fuel leak is smaller, over a long enough time it'll end up in the sump and destroy the lubricating ability of your oil.

    Scrap the cap!



  • #8
    CJhaughey
    Registered Users, Registered Users 2 Posts: 14,907 ✭✭✭✭CJhaughey


    Without details on what model or make then its hard to give detailed info.
    Some bikes have rebuildable taps, gasket kits are available.
    Others are non-rebuildable but use the same internal gaskets as the rebuildable ones and can be rebuilt if you are careful.
    If the tap is junk then the simplest way can be to fit an inline fuel tap.


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