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Thread: Overheating Issues

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  1. Overheating Issues 
    #1
    Senior Member
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    Mar 2010
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    Hi all,


    After months of sorting out Project Honda, I hoped my problems were all sorted but she's decided to now overheat everytime I go for a ride.

    I've replaced the oil and filter, the coolant, the air filter etc. but, like I said she overheats.

    It doesn't do it when it's just sat there for an hour or two, only when I go for a ride. I can't even go 4 miles without the needle going through the roof and that distinct smell of oil.

    I've taken the fairing off to see if I have a leak but to no joy.

    Anyone have any ideas or should I now just give up on the whole project and just buy a push bike?
     
     

  2. Re: Overheating Issues 
    #2
    Chatterbox Jon_W's Avatar
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    Sounds like a lack of water.

    Check your water pump is working.

    The bike wil sit static because there is no load on the engine.
    "there's no aspect, no facet, no moment in life that can't be improved with pizza"

     
     

  3. Re: Overheating Issues 
    #3
    Diamond Member
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    thermostst stuck/only partly open...????
    theres a test procedure given in haynes manuals for checking thermostats...
     
     

  4. Re: Overheating Issues 
    #4
    Chatterbox Jon_W's Avatar
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    Quote Originally Posted by jonnydangerous
    thermostst stuck/only partly open...????
    theres a test procedure given in haynes manuals for checking thermostats...
    Take it out and see if it overheats.
    "there's no aspect, no facet, no moment in life that can't be improved with pizza"

     
     

  5. Re: Overheating Issues 
    #5
    Active Member
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    Apr 2009
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    Probably a stuck thermostat - normally they have a small bypass hole to allow a small flow of fluid to stop pressure building up - this may be enough to cool the engine at idle.

    To test a thermostat put in a bowl of just boiled water it should open put in a bowl of cold water it should close - Simples [smiley=thumbsup.gif]
     
     

  6. Re: Overheating Issues 
    #6
    Diamond Member
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    but dont forget to replace it before next winter.... ;-) ( im TERRIBLE at remembering stuff like that!hahaha)....
     
     

  7. Re: Overheating Issues 
    #7
    Senior Member
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    Mar 2010
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    Cheers guys.

    I've not long replaced all the thermostats and sensors but they were from a scrappy but worked when I tested them both.

    I'll pop into the hero's at Pheonix tomorrow and see if they've got some more and I'll replace them with new ones [smiley=thumbsup.gif]

    If that doesn't work, I'll flog her for scrap
     
     

  8. Re: Overheating Issues 
    #8
    Newbie
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    May 2010
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    21
    could be an air lock?
     
     

  9. Re: Overheating Issues 
    #9
    Senior Member
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    Could be me trying to restore a 19 year old, previously unloved bike.

    I think I've taken on a project that was too big for a novice and am even tempted to cut my losses
     
     

  10. Re: Overheating Issues 
    #10
    Platinum Member
    Join Date
    May 2010
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    1,709
    I'm with speedlink
    It could well be an air lock, or a small blockage in the radiator

    Did you back flush the rad before putting back together so to speak ?
     
     

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