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DT125R FORUM

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  2. General Discussion
  3. Engine Dying

Engine Dying

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  • CalumC Offline
    CalumC Offline
    Calum
    wrote on last edited by
    #2

    When you run out of oil you will put air in the oil pump system. This wjll need to be bled. As a result it is not enough to just put oil in.

    Always Originate, Never Pirate!

    B 1 Reply Last reply
    1
    • B Blaze.Vile

      Today I (foolishly) ran out of oil while riding my 02 Yamaha dt 125r ran out of oil while riding (not fast) which resulted in my bike dying, I then put oil in my bike, kicked it over slowly a few times and then kicked it over and started it, it was running fine for about 60ft, then it died. since then I started the bike a few times and revved it which then lead to it dying (no rattling or anything, sounds like the engine is starving but I have both oil and petrol). The bike was extremely hot when I ran out of oil.

      I currently do not know what is wrong with the bike, as it starts I am lead to believe that it isn't heat seized. If anyone knows what is wrong with it or could help in anyway please could you get in contact or reply to this thread, it would be greatly appreciated.

      P.s. My engine was fully rebuild to factory standard in December of 2018, this incident happened on the 18th of February 2019. I haven't tampered with anything or changed anything to do with the bike since.

      Thank you for your help.

      declanD Offline
      declanD Offline
      declan
      wrote on last edited by
      #3

      @Blaze-Vile yes so even though you put oil in you were still riding with no oil for all of those 60ft

      1 Reply Last reply
      1
      • MiniaM Offline
        MiniaM Offline
        Minia
        wrote on last edited by
        #4

        A 2 stroke wouldnt seize from 60ft without oil. This indicates a problem that started before.

        Yamaha DT125R Blue 2002, XT 125 1982, Yamaha WR250Z 1992, BMW GS650F 1994, Benelli BN302 2015

        declanD 1 Reply Last reply
        1
        • MiniaM Minia

          A 2 stroke wouldnt seize from 60ft without oil. This indicates a problem that started before.

          declanD Offline
          declanD Offline
          declan
          wrote on last edited by
          #5

          @Minia well he was riding it with no oil prior to that though wasn’t he

          MiniaM 1 Reply Last reply
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          • declanD declan

            @Minia well he was riding it with no oil prior to that though wasn’t he

            MiniaM Offline
            MiniaM Offline
            Minia
            wrote on last edited by
            #6

            @declan well question is for how long.

            Yamaha DT125R Blue 2002, XT 125 1982, Yamaha WR250Z 1992, BMW GS650F 1994, Benelli BN302 2015

            NINJAN 1 Reply Last reply
            1
            • MiniaM Minia

              @declan well question is for how long.

              NINJAN Offline
              NINJAN Offline
              NINJA
              wrote on last edited by NINJA
              #7

              Bleeding the system would be a wise move, just to ensure that all of the air is pumped out. An even wiser move would be not to let the bike run out of oil in the first place. Oil is the lifeblood of a 2 stroke engine, never ride without it!!! 😉

              SEDUCED BY THE DARK SIDE!!!

              1 Reply Last reply
              1
              • CalumC Calum

                When you run out of oil you will put air in the oil pump system. This wjll need to be bled. As a result it is not enough to just put oil in.

                B Offline
                B Offline
                Bananper
                wrote on last edited by
                #8

                @Calum I drove for a couple of days with premix, and then i switched back to using the oil tank by filling it up, ran premix for a day or so, and after that i have just used the oil tank. Does this mean that my bike has not been getting oil through or does it bleed itself after a while?

                declanD CalumC 2 Replies Last reply
                0
                • B Bananper

                  @Calum I drove for a couple of days with premix, and then i switched back to using the oil tank by filling it up, ran premix for a day or so, and after that i have just used the oil tank. Does this mean that my bike has not been getting oil through or does it bleed itself after a while?

                  declanD Offline
                  declanD Offline
                  declan
                  wrote on last edited by
                  #9

                  @Bananper if there’s not a blockage or a restriction the pump will bleed it’s self over time if you have pre mix in it,

                  B 1 Reply Last reply
                  1
                  • declanD declan

                    @Bananper if there’s not a blockage or a restriction the pump will bleed it’s self over time if you have pre mix in it,

                    B Offline
                    B Offline
                    Bananper
                    wrote on last edited by
                    #10

                    @declan yeah, it's smoking blue and smells like a two stroke so i guess it's okay

                    1 Reply Last reply
                    1
                    • B Bananper

                      @Calum I drove for a couple of days with premix, and then i switched back to using the oil tank by filling it up, ran premix for a day or so, and after that i have just used the oil tank. Does this mean that my bike has not been getting oil through or does it bleed itself after a while?

                      CalumC Offline
                      CalumC Offline
                      Calum
                      wrote on last edited by
                      #11

                      @Bananper Yeah that sounds fine. You are meant to bleed the pump from the oil pump itself. There is a nozzle you use to bleed from. so unless something went wrong you should be okay.

                      Always Originate, Never Pirate!

                      1 Reply Last reply
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