Buyer's Checklist for long-parked bike

Discussion in 'Motorbike Technical Discussion' started by BobN, Nov 12, 2005.

  1. BobN

    BobN Guest

    Monday I'm taking a shot at a 1977 Yamaha 750 Special that's been parked
    indoors for 7 years. The photos show no rust anywhere, and at the asking
    price it looks worth the 1.5 hour drive to see it.

    I've downloaded, studied and printed out the used bike checklist from the FAQ. What else should I expect/look for in a bike that's
    sat this long?

    Also, the seller says he can't find the ignition key after all these years.
    What would I need to do to get a key for it?

    BobN, Nov 12, 2005
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  2. To get a key call a locksmith. If you can get the switch out, take it to
    him. That would be cheaper. Once you have the key, take the fey to the
    dealer and have them tell you what the key code is and get 2 more keys.
    Write the code on the back of the title.

    Change every fluid. Don't forget the forks.

    Clean the tank with MarineClean. Inspect for leaks or rust. Tanks will
    rust even if stored inside. Mube was rusted a little and varnished badly.
    Varnish is an odd thing. The tank can be dry and not smell but once you
    put in marine clean and let it sit and then drain it, you will know it's
    true condiction by the drained solution.

    The petcock is likely bad. A rebuild or replacement may be necessary.

    Unless the fuel was shut off and the carbs drained, the carbs are
    varnished up. You might get lucky and be able to clean them with some
    Berryman's liquid and not have to pull them. I got lucky on my 1981 CBX.
    I was able to get all 6 carbs cleaned without pulling them.

    Add a new chain/sprockets and you should be good to go.

    Want the paint to look really good? Get some 3M or similar swirl remover.
    Follow up with some wax.

    R. Pierce Butler, Nov 13, 2005
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  3. BobN

    Matt Guest

    If the carbs have pistons (aka slides) with diaphragms, the slides could
    easily be gummed up and immobile. Make sure they slide freely _before_
    trying to start it. I don't know, but I've heard it said that the
    diaphragms can be ruined when running the bike with stuck slides. That
    might cost you $150 or so. Replacing the pilot jets would be a good move.
    Matt, Nov 13, 2005
  4. BobN

    Leon Guest

    Apart from the other suggestions, you are bound to need new tyres. They
    develop flats if they are in the same position on the ground for a long
    time, and are likely to come apart, especially if driven at any speed.

    Leon, Nov 13, 2005
  5. Replacing the jets is not necassary. I have not seen a jet yet that I
    couldn't clean.

    I am not sure about ruining the diaghragms by running it with stuck slides.
    That doesn't make sense to me. Maybe someone can explain how that is

    R. Pierce Butler, Nov 13, 2005
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