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Welcome to 2020 Edition of the xBhp Forums . As you might have already noticed, the forums have undergone a major upgrade to keep up with the times. This will make the forums faster and intuitive and much more mobile friendly.

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[Thunderbird 350] Coldstarting Issues.

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  • [Thunderbird 350] Coldstarting Issues.

    Enfield veterans. I borrowed an 2003 model Thunderbird (the AVL engine one) from a friend for the weekend. It has major issues cold starting and I have no idea what's happening. Maybe it's one of those things that only Enfield enthusiasts are blessed with. Starting the bike on a cold morning without cussing to heaven.

    Here is what I have been doing,
    1.) Choke on
    2.) Decompressor on
    3.) Soft single kick (more of a push to the kick lever)
    4.) Choke off
    5.) Decompressor off
    6.) Kick many times, use cuss words
    7.) Ask a passerby to help me push-start the damn thing.

    I have tried combinations of these without any effect. Once I warm up the engine, it starts fine with a single kick. So I guess my 'kicking style' isn't the issue. Kicking the cold engine doesn't give me any resistance from the pistons whatsoever. It's flat. I can't find the sweet TDC spot which makes me theorize that the decompressor doesn't work. This is just an intuition and would love to get some ideas/feedback.

    I could take this to the mechanic and see if changing something would fix it but I'd like to have some thoughts on what I am doing wrong first.

    I asked my friend about it and he said I am just not an 'Enfield' guy.
    Baby Tourer

  • #2
    Re: [Thunderbird 350] Coldstarting Issues.

    Query Approved
    Biking is not about what you have between your legs, its all about how well you use it!!!!!!!

    Give your details here if you want to help your fellow xBhpian stranded in your city

    Touring Blog: Cycling in Mongolia!

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    • #3
      Re: [Thunderbird 350] Coldstarting Issues.

      My strategy
      Decomp and kick/pump Soft single kick (more of a push to the kick lever) for 5/6 times,off the decomp,chock on kick full. At my electra 4s it's work this way only in cold.You may try it too.

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      • #4
        Re: [Thunderbird 350] Coldstarting Issues.

        You need to leave the choke ON while kicking and leave it ON for at least 30 secs until warm up. Then you could turn it OFF.
        I would tune the AFR first after cleaning the spark plugs and air filter.
        My DIY(s) - Sprocket bearing change | Paint job | Custom speedo dial

        Getting angry at somebody is the same as getting angry with a bike that just won't go. You should stop and start thinking.
        A good mechanic will let you watch even without charging you for it. | Riding faster than everyone else only guarantees youll ride alone.

        It is funny to know that we've been imitated and copied so well
        and surprising when we notice our mistakes are copied as well.

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