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DT125R FORUM

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New Owner

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  • MiniaM Offline
    MiniaM Offline
    Minia
    wrote on last edited by
    #14

    Oil pump failure? Not unheard of but uncommon for sure. That certainly explains things, I didn't even think about it. Well if it's just that I can't imagine much has gone wrong, these engines are pretty much bullet proof. I'd probably take off the head and see how things look, you might be lucky and just need to replace the pump which is an easy job.

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

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    • M me0u01c1

      @Calum cheers for the info, tbh his first gambit was 'its a winter job' and then tried to sell me another bike so...

      Once I got it out of the van, and he had a play said he'd look at the pump (he pulled the 2 stroke feed off the engine started and nothing came out), and to call back on monday. If he can't or hasn't done owt with it I'll pick it up and have a stab.

      It was more the rush (9 days to MOD2) but for £500 and a couple of weeks wait I might as well have a go. I've done cylinder heads on VAGs in my yoof, just old and busy (ehm lazy) at the moment.

      CalumC Offline
      CalumC Offline
      Calum
      wrote on last edited by
      #15

      @me0u01c1 Pretty sure the pump utilises engine vacuum to draw the oil through as well. They also use very little oil anyhow, turning the engine on and disconnecting the oil feed may provide unrealistic diagnosis. I'm not convinced at that I'm afraid. But I work in IT, what do I know.

      Always Originate, Never Pirate!

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      • F Offline
        F Offline
        finnerz89
        wrote on last edited by
        #16

        I know from when I first fitted my clear oil lines that at idle the engine uses a minuscule amount. Even with the oil pump pulley fully rotated (maximum output) I reckon it took a good minute or two to fill the lines up to the engine. Which is what, 3 inches of 4mm hose?

        Current bikes:
        DT125X '07
        Street Triple R '11
        Aprilia ETV1000 '02

        Previous:
        DR650RSE '96
        FJ1200 '92

        CalumC 1 Reply Last reply
        1
        • F finnerz89

          I know from when I first fitted my clear oil lines that at idle the engine uses a minuscule amount. Even with the oil pump pulley fully rotated (maximum output) I reckon it took a good minute or two to fill the lines up to the engine. Which is what, 3 inches of 4mm hose?

          CalumC Offline
          CalumC Offline
          Calum
          wrote on last edited by
          #17

          @finnerz89 I don't think pulling the oil line off the engine is representative of "The oil Pump has failed"

          Sorry but I want more reasoning than that.

          Always Originate, Never Pirate!

          F 1 Reply Last reply
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          • CalumC Calum

            @finnerz89 I don't think pulling the oil line off the engine is representative of "The oil Pump has failed"

            Sorry but I want more reasoning than that.

            F Offline
            F Offline
            finnerz89
            wrote on last edited by
            #18

            @Calum I completely agree. He didn't even check the spark plug? Could be running really lean, has he checked the cooling system?

            Current bikes:
            DT125X '07
            Street Triple R '11
            Aprilia ETV1000 '02

            Previous:
            DR650RSE '96
            FJ1200 '92

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            • M Offline
              M Offline
              me0u01c1
              wrote on last edited by
              #19

              Dunno tbh guys, he said he'd have a look and let me know, I'm just going to have to trust he knows his onions and not looking to be ripping me off.

              The other garage in town wouldn't even consider looking at it for a month so not much option. I'll speak to them on Monday and see what the gen is, if its not 'fixed' i'll bring it home and get the spanners out.

              And if that happens I hope you like pictures of engines and questions.... :smiling_face_with_open_mouth_smiling_eyes:

              CalumC 1 Reply Last reply
              0
              • M me0u01c1

                Dunno tbh guys, he said he'd have a look and let me know, I'm just going to have to trust he knows his onions and not looking to be ripping me off.

                The other garage in town wouldn't even consider looking at it for a month so not much option. I'll speak to them on Monday and see what the gen is, if its not 'fixed' i'll bring it home and get the spanners out.

                And if that happens I hope you like pictures of engines and questions.... :smiling_face_with_open_mouth_smiling_eyes:

                CalumC Offline
                CalumC Offline
                Calum
                wrote on last edited by
                #20

                @me0u01c1 To be honest, we're all here any how and are happuy to lend a helping hand. There may be a member on here nearby willing to give you a happy end.

                Always Originate, Never Pirate!

                M 1 Reply Last reply
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                • Glynn123G Offline
                  Glynn123G Offline
                  Glynn123
                  wrote on last edited by
                  #21

                  May sound stupid, but are you sure the 2T oil tank is filled, I've heard of people getting confused and filling the expansion bottle for the coolant with oil!
                  Never heard of one of these pumps failing

                  M 1 Reply Last reply
                  0
                  • Glynn123G Glynn123

                    May sound stupid, but are you sure the 2T oil tank is filled, I've heard of people getting confused and filling the expansion bottle for the coolant with oil!
                    Never heard of one of these pumps failing

                    M Offline
                    M Offline
                    me0u01c1
                    wrote on last edited by
                    #22

                    @Glynn123 yep to the brim, it was his first call for 'pilot error' and it looked like it hadn't dropped at all (but then it has covered very little distance). I will admit I had a little panic when he mentioned it

                    Glynn123G 1 Reply Last reply
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                    • CalumC Calum

                      @me0u01c1 To be honest, we're all here any how and are happuy to lend a helping hand. There may be a member on here nearby willing to give you a happy end.

                      M Offline
                      M Offline
                      me0u01c1
                      wrote on last edited by
                      #23

                      @Calum said in New Owner:

                      willing to give you a happy end.

                      Ha ha ha I hope you mean helping hand 'cos you normally have to pay extra for a happy ending.

                      declanD 1 Reply Last reply
                      1
                      • M me0u01c1

                        @Glynn123 yep to the brim, it was his first call for 'pilot error' and it looked like it hadn't dropped at all (but then it has covered very little distance). I will admit I had a little panic when he mentioned it

                        Glynn123G Offline
                        Glynn123G Offline
                        Glynn123
                        wrote on last edited by
                        #24

                        @me0u01c1 that's weird yeah, maybe worth trying premix and keeping any eye on the temperature of the engine? Ofcourse run the premix rich and check for any lean mixture or air leaks first mind. Just thinking of quick fixes to get you on the road for now, the damage has been done, aslong as its got compression it should still ride until you want to rebuild.

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                        • M me0u01c1

                          @Calum said in New Owner:

                          willing to give you a happy end.

                          Ha ha ha I hope you mean helping hand 'cos you normally have to pay extra for a happy ending.

                          declanD Offline
                          declanD Offline
                          declan
                          wrote on last edited by
                          #25

                          @me0u01c1 no way I’d pay that for a half hour job the first rebuild I did was on my dt almost exactly one year ago I’d be happy to walk you through step by step

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                          • M Offline
                            M Offline
                            me0u01c1
                            wrote on last edited by
                            #26

                            So got it back finally, it was the oil pump. The old 2 stroke had congealed blocking intake so the engine and the pump have been running dry. The engine is running on premix at the mo while I get ready for my mod 2 on Wednesday and then I'll be looking at rebuilding the pump and top end. Thanks for all the pointers guys.

                            CalumC 1 Reply Last reply
                            2
                            • M me0u01c1

                              So got it back finally, it was the oil pump. The old 2 stroke had congealed blocking intake so the engine and the pump have been running dry. The engine is running on premix at the mo while I get ready for my mod 2 on Wednesday and then I'll be looking at rebuilding the pump and top end. Thanks for all the pointers guys.

                              CalumC Offline
                              CalumC Offline
                              Calum
                              wrote on last edited by
                              #27

                              @me0u01c1 How frustrating.

                              Always Originate, Never Pirate!

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