Name that screech?

Discussion in 'UK Motorcycles' started by Simon Wilson, Sep 26, 2009.

  1. Grief! you live and you learn. Even I've got a can of belt dressing in
    my garage.
     
    stephen.packer, Sep 27, 2009
    #21
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  2. Simon Wilson

    Derek Turner Guest

    Duffy on the ICE?
     
    Derek Turner, Sep 27, 2009
    #22
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  3. Simon Wilson

    Pip Guest

    Yeah, but you're *posh*. And special.
     
    Pip, Sep 27, 2009
    #23
  4. Simon Wilson

    Simon Wilson Guest

    I did mine, replaced the water pump and camshaft bearings at the same
    time. Not too difficult compared to a 'modern' car. I don't recall going
    under the car at all. There are lots of writeups describing special
    tools to hold the crank while you undo the bolt, but I just stuck it in
    reverse. The beauty of that engine is even if you leave it 'just that
    little' too long, you won't destroy the engine unless you're really unlucky.
     
    Simon Wilson, Sep 27, 2009
    #24
  5. Simon Wilson

    Pip Luscher Guest

    All the In-Circuit Emulators I've used have been silent, even when
    they were duff.
     
    Pip Luscher, Sep 27, 2009
    #25
  6. Simon Wilson

    Andy Hewitt Guest

    Aye, I've heard enough of both by now :)
     
    Andy Hewitt, Sep 27, 2009
    #26
  7. Anvil?
     
    stephen.packer, Sep 27, 2009
    #27
  8. Simon Wilson

    Beav Guest


    WD40 is a lubricant. The belts are driven by friction. You think that
    adding a lubricant here is common practise? I would have assumed they
    used belt dressing.[/QUOTE]

    Yeah, right. Actually, WD is often used on belts to quieten them down. It
    soon gets flung off anyway and it doesn't do any damage to any belts that I
    know of.


    --
    Beav

    VN 750
    Zed 1000
    OMF# 19
     
    Beav, Sep 27, 2009
    #28
  9. Simon Wilson

    Andy Hewitt Guest

    Yeah, right. Actually, WD is often used on belts to quieten them down. It
    soon gets flung off anyway and it doesn't do any damage to any belts that I
    know of.[/QUOTE]

    It tends to dry, and leave the surface of the belt glazed, which causes
    even more slippage. Indeed, most of the cause of noise in modern
    'poly-V' belts is general muck and grime building up on the surface, and
    getting polished to a shiny glaze. Providing the belt is in otherwise
    good condition, it'd be better to clean the belt, rather than add more
    substance to it (providing you can find something to clean it with).

    WD40 is often used as a temporary measure, more to prove a point, but it
    rarely lasts long enough now to be of any use as a 'fix. I found it
    lasts a matter of minutes with some of the latest belts. The contact
    area of modren poly-V belts, and the severe angles they travel around,
    means they are under very high stress. The squeal is caused by the
    minutest of slippage, which is extremely difficult to repair.

    One of the old tricks was to use normal grease, but that was for older
    plain 'V' belts.

    All of which is just a sign that the belt is fucked anyway, and really
    should be replaced.
     
    Andy Hewitt, Sep 28, 2009
    #29
  10. Guess I'll leave you to comment on cowboy garage behaviour.
     
    stephen.packer, Sep 28, 2009
    #30
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