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Bros 400 died mid journey?

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    Bros 400 died mid journey?

    Took the Bros for a MOT this morning which it passed with no advisories, I was thinking this is great I can finally take it out an about I decided to take it for a quick wizz to the shops to get a little something went fine going there then half way home I started to lose power in the throttle so I dropped down a gear and tried to revv and it just cut out on me, luckily there was a layby to my right which I just managed to drift in to... I managed to ask my dad to come down with some tools and he thought it was fuel related... had a fiddle with the fuel pump and tried starting and she went! noy sure if there is something wrong with the carbs or just something nasty in the fuel? I got it home and took it round my field revving it to try and get anything nasty out and seems to start and be alright now? any suggestions on what it could be? I am going to get a new fuel filter, carb cleaner, and some new spark plugs...

    *ADD*
    I forgot to mention, when I got home the fuel switch was on reserve and was the whole time to mot garage and to the shop so maybe ran out of reserve fuel? I have never touched the switch before so could be the reason?
    Last edited by cattmayy; 04-11-2022, 12:35 PM.

    #2
    Fuel all comes from the same tank. ON draws from a straw placed higher up and RES draws from the bottom. It is not unheard of to draw some garbage from the bottom of the tank into the carbs. If the problem has cleared itself then it could have been some water.

    I recommend completely flushing the tank and refilling it with fresh gas; checking the external fuel filter; draining the float bowls into a container to examinig the quality and composition of what comes out.

    If you were looking for a support group you're barking up the wrong tree. This place is fulla enablers dude. - Shooter77us

    The bitterness of low quality lingers long after the thrill of a low price has gone. - RacerX450

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      #3
      Was there fuel in it when you got it home?

      Sounds like you ran out of fuel one way or another.

      Pull the line to the pump and see if fuel is coming out. Change the filters, check out he in tank screen.

      Pay attention to how much gas you put back in it so you know if you ran it two low.


      Don't spend money and buy, spend time and learn.

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        #4
        Originally Posted by 6 View Post
        Was there fuel in it when you got it home?

        Sounds like you ran out of fuel one way or another.

        Pull the line to the pump and see if fuel is coming out. Change the filters, check out he in tank screen.

        Pay attention to how much gas you put back in it so you know if you ran it two low.

        Yes, it was the first thing I checked when I got into the layby due to it not having a fuel gauge I am always checking. It had about half a tank maybe a little less than that. I tried starting it and just revving the bike made it cut out... i will go out again and start it as I need to adjust the light when it gets dark.

        Comment


          #5
          Originally Posted by ParcNHawk View Post
          Fuel all comes from the same tank. ON draws from a straw placed higher up and RES draws from the bottom. It is not unheard of to draw some garbage from the bottom of the tank into the carbs. If the problem has cleared itself then it could have been some water.

          I recommend completely flushing the tank and refilling it with fresh gas; checking the external fuel filter; draining the float bowls into a container to examinig the quality and composition of what comes out.
          I have been filling it up with fuel from a can due to it not having a valid mot or tax so there is a possibility some specs of dirty might have got in. I will try this though, never had this happen to me before so it had me stressing... I was hoping to take it to my local Bike meet tomorrow but now I am anxious that it will happen again...

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            #6
            Check the vent in the tank lid...

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              #7
              maybe it's time to install a switch to bypass the often-troublesome fuel pump relay ?
              "It's only getting worse."


              MY rides: '97 VFR750, '90 Red Hawk, '88 Blue/Black Hawk, '86 RWB VFR700 (3), '86 Yamaha Radian, '90 VTR250, '89 VTR250 (2), '73 CB125, '66 Yamaha YL-1

              Sold: '86 FJ1200, '92 ZX-7, '90 Radian, '73 CB750, '89 all-white Hawk, '88 blue Hawk, '86 FZ600, '86 Yam Fazer 700 , '89 VTR250, '87 VFR700F2, '86 VFR700F.

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