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Thread: 2A wont start!!Help

  1. 26th April 2008, 10:25 AM #11
    chazza
    chazza is offline YarnMaster
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    I support Aaron's thoughts about the coil; well worth checking and check it first!

    Another cause of poor starting when hot, can be a rich mixture. Make sure the choke really is off, by inspecting the butterfly when the control is pushed in. Also make sure that the mixture needle is set in the correct place; when the engine is running, get someone to rev the engine in blips while you inspect the exhaust pipe for black smoke. Make sure that the air cleaner isn't blocked, or disconnect it while you attempt to start.

    You say the carburettor has been rebuilt; what exactly has been done to it? Could it be that something has been installed back to front such as a gasket? Were all of the jets blown out with compressed air?

    Cheers Charlie
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  2. 26th April 2008, 11:03 AM #12
    Aaron IIA
    Aaron IIA is offline Wizard
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    Another thing that I just thought of. When an engine is warm, some engines like to be started with the carburetter held wide open until they fire. When you depress the throttle, the accelerator pump squirts petrol into the manifold, so when you open the throttle, hold it open, don't pump it.
    Aaron.
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  3. 26th April 2008, 12:16 PM #13
    UncleHo's Avatar
    UncleHo
    UncleHo is offline AT REST
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    G'day Aaron 11A

    when mine is warm I can start it by just turning the key (hitting the starter) no throttle, when cold 1 light pump 1/4 pedal, then start, hand throttle on fast idle, havent used the choke for years,(in Qld) and it is not running rich

    cheers
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  4. 26th April 2008, 06:39 PM #14
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    muddy
    muddy is offline Master Silver Subscriber
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    Ben
    Have you got a 8 volt coil with a resistor in series with the coil if so try shorting it out when restarting --could be a high resistance short in that part of the circuit.
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