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DT125R FORUM

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  4. Project I can't leave things alone!

Project I can't leave things alone!

Scheduled Pinned Locked Moved DTR
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  • DartyD Darty

    @gareth_iowc Sweeeeet. Dream project, those 86/87' YZ125 engines are a funny engine, think they were rated at 24hp?

    You could expect to see 9-10 more HP and substantial torque with your 98' engine.

    What are the dimensions for your bearing cup? Alot of people looking at fork upgrades

    CalumC Offline
    CalumC Offline
    Calum
    wrote on last edited by
    #7

    @Darty My sketches should be uploaded here. But then they were for a probably odd forks

    Always Originate, Never Pirate!

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    • G Offline
      G Offline
      gareth_iowc
      wrote on last edited by
      #8

      Evening all,

      Follow @Calum guide - https://dt125r.co.uk/topic/17/usd-conversion-bearing-cup-method

      I don't know the measurements off hand as the machine guy did it. It was dam close was only a millimetre or so out..... well that's what he told me.

      Calum's guide is great just take that with your yz forks, new yz top bearing, new dt bottom bearing and the frame to a local machine shop and they should work some magic no problems at all.

      One interesting think was the stops on the yz are on front centre of the fame and the dt has two rear ones. Luckily it gives the correct steering angles with no modification 😆 Winner.

      Little update today the yz 125 rear swing arm turned up today. Would have been great but it doesn't fit.
      I was surprised to find it's not as wide as the original dt one at the frame. It was only cheap and I didn't think it would fit with out some modifications but as it's smaller I'm going to scrap that idea.

      I would like the dt200 one was it Calum? But I can't find one for sale in the uk and for a good price.

      DT125R 2000
      DRZ400 2006
      Golf Mk3 20v Turbo 1996

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      • G Offline
        G Offline
        gareth_iowc
        wrote on last edited by
        #9

        @Darty yeah I'm going to use the 98 as it's closer to the bikes year. Started it finally today as well sounded great. Ears are still ringing.

        The 1lx will be up for sale with 0 running hours fresh rebuild. I thought that was 33bhp as well? I'll have to have another look on the net.

        DT125R 2000
        DRZ400 2006
        Golf Mk3 20v Turbo 1996

        NINJAN 1 Reply Last reply
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        • G gareth_iowc

          @Darty yeah I'm going to use the 98 as it's closer to the bikes year. Started it finally today as well sounded great. Ears are still ringing.

          The 1lx will be up for sale with 0 running hours fresh rebuild. I thought that was 33bhp as well? I'll have to have another look on the net.

          NINJAN Offline
          NINJAN Offline
          NINJA
          wrote on last edited by
          #10

          @gareth_iowc Is the YZ engine a straight swap with no or minor mods required then???

          SEDUCED BY THE DARK SIDE!!!

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          • G Offline
            G Offline
            gareth_iowc
            wrote on last edited by
            #11

            Yeah fits but needs a few modifications. Needs custom head to frame brackets and the front engine brackets.

            The decider was the fitment between the swingarm and that fits no modifications 😃

            DT125R 2000
            DRZ400 2006
            Golf Mk3 20v Turbo 1996

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            • G Offline
              G Offline
              gareth_iowc
              wrote on last edited by
              #12

              So the yz rear wheel turn up today 😄

              It's 19 inch rather than the stock 18 inch dt wheel.

              Looks like it's going to work great only thing I've noticed so far is the yz spindle is larger than the dt.
              The calliper carry will need a little adjustment to make the new spindle fit.

              0_1489440599325_IMG_5043.JPG

              0_1489440633975_IMG_5044.JPG

              0_1489440670888_IMG_5045.JPG

              DT125R 2000
              DRZ400 2006
              Golf Mk3 20v Turbo 1996

              NINJAN 1 Reply Last reply
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              • G gareth_iowc

                So the yz rear wheel turn up today 😄

                It's 19 inch rather than the stock 18 inch dt wheel.

                Looks like it's going to work great only thing I've noticed so far is the yz spindle is larger than the dt.
                The calliper carry will need a little adjustment to make the new spindle fit.

                0_1489440599325_IMG_5043.JPG

                0_1489440633975_IMG_5044.JPG

                0_1489440670888_IMG_5045.JPG

                NINJAN Offline
                NINJAN Offline
                NINJA
                wrote on last edited by
                #13

                @gareth_iowc Nice fat rubber you have their bud - looking good so far!!! 👍

                SEDUCED BY THE DARK SIDE!!!

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                • G Offline
                  G Offline
                  gareth_iowc
                  wrote on last edited by
                  #14

                  0_1489608758997_IMG_5078.JPG

                  Got the new bolt for the dog bone to mount it to the frame from fowlers 🙂

                  Just waiting for the rear axle spindle to turn up so I can get the rear wheel fitted 🙂

                  DT125R 2000
                  DRZ400 2006
                  Golf Mk3 20v Turbo 1996

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                  • G Offline
                    G Offline
                    gareth_iowc
                    wrote on last edited by
                    #15

                    0_1489776010911_IMG_5105.JPG

                    Doh!! So the yz spindle is a lot shorter than the dt. So the next thing to try will be to see if I can take the dt wheel hub and fit it in the yz wheel with the yz spokes.

                    Thoughts?

                    DT125R 2000
                    DRZ400 2006
                    Golf Mk3 20v Turbo 1996

                    NINJAN 1 Reply Last reply
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                    • G gareth_iowc

                      0_1489776010911_IMG_5105.JPG

                      Doh!! So the yz spindle is a lot shorter than the dt. So the next thing to try will be to see if I can take the dt wheel hub and fit it in the yz wheel with the yz spokes.

                      Thoughts?

                      NINJAN Offline
                      NINJAN Offline
                      NINJA
                      wrote on last edited by
                      #16

                      @gareth_iowc This dude runs a wheel rebuilding service and has a good rep;

                      https://www.facebook.com/paul.ritson.9?hc_ref=SEARCH

                      SEDUCED BY THE DARK SIDE!!!

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                      • G Offline
                        G Offline
                        gareth_iowc
                        wrote on last edited by
                        #17

                        Thanks 🙂 only problem is I don't have Facebook lol.

                        Might try a local bike shop as I've been told it's quite involved with getting it right.

                        DT125R 2000
                        DRZ400 2006
                        Golf Mk3 20v Turbo 1996

                        NINJAN CalumC 2 Replies Last reply
                        0
                        • G gareth_iowc

                          Thanks 🙂 only problem is I don't have Facebook lol.

                          Might try a local bike shop as I've been told it's quite involved with getting it right.

                          NINJAN Offline
                          NINJAN Offline
                          NINJA
                          wrote on last edited by
                          #18

                          @gareth_iowc No Facebook??? Dude your missing out. There are some wheel builders on ebay too.

                          SEDUCED BY THE DARK SIDE!!!

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                          • G gareth_iowc

                            Thanks 🙂 only problem is I don't have Facebook lol.

                            Might try a local bike shop as I've been told it's quite involved with getting it right.

                            CalumC Offline
                            CalumC Offline
                            Calum
                            wrote on last edited by
                            #19

                            @gareth_iowc Yeah wheel building is a dark art, so I am told.

                            Always Originate, Never Pirate!

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                            0
                            • G Offline
                              G Offline
                              gareth_iowc
                              wrote on last edited by
                              #20

                              Haven't posted in a while but things are still slowly moving .

                              0_1491513724094_IMG_5549.JPG

                              The wheel has been with the builder for a week now so hoping to have it back soon.

                              Ordered the wrong front yz calliper doh!! So sending that back and ordering another. They calliper carry is wider on a 98 then the 97. My forks are 98 🙃.

                              The yz exhaust has arrived as well but I forgot to take a photo. It doesn't quite fit might need a little bit of heat and some bending to make it work but it's not to far off.

                              DT125R 2000
                              DRZ400 2006
                              Golf Mk3 20v Turbo 1996

                              CalumC NINJAN 2 Replies Last reply
                              1
                              • G gareth_iowc

                                Haven't posted in a while but things are still slowly moving .

                                0_1491513724094_IMG_5549.JPG

                                The wheel has been with the builder for a week now so hoping to have it back soon.

                                Ordered the wrong front yz calliper doh!! So sending that back and ordering another. They calliper carry is wider on a 98 then the 97. My forks are 98 🙃.

                                The yz exhaust has arrived as well but I forgot to take a photo. It doesn't quite fit might need a little bit of heat and some bending to make it work but it's not to far off.

                                CalumC Offline
                                CalumC Offline
                                Calum
                                wrote on last edited by
                                #21

                                @gareth_iowc Took 6 months for the wheel builder to build my brothers YZ wheels!!!

                                Always Originate, Never Pirate!

                                1 Reply Last reply
                                0
                                • G Offline
                                  G Offline
                                  gareth_iowc
                                  wrote on last edited by
                                  #22

                                  Jesus 6 months! He's going to have them ready by end of next week 🙂

                                  DT125R 2000
                                  DRZ400 2006
                                  Golf Mk3 20v Turbo 1996

                                  1 Reply Last reply
                                  0
                                  • G gareth_iowc

                                    Haven't posted in a while but things are still slowly moving .

                                    0_1491513724094_IMG_5549.JPG

                                    The wheel has been with the builder for a week now so hoping to have it back soon.

                                    Ordered the wrong front yz calliper doh!! So sending that back and ordering another. They calliper carry is wider on a 98 then the 97. My forks are 98 🙃.

                                    The yz exhaust has arrived as well but I forgot to take a photo. It doesn't quite fit might need a little bit of heat and some bending to make it work but it's not to far off.

                                    NINJAN Offline
                                    NINJAN Offline
                                    NINJA
                                    wrote on last edited by
                                    #23

                                    @gareth_iowc Nice big knobs - LOL 😉

                                    SEDUCED BY THE DARK SIDE!!!

                                    1 Reply Last reply
                                    0
                                    • G Offline
                                      G Offline
                                      gareth_iowc
                                      wrote on last edited by
                                      #24

                                      Yeah not sure what it's going to be like on road in the wet haha.

                                      DT125R 2000
                                      DRZ400 2006
                                      Golf Mk3 20v Turbo 1996

                                      NINJAN 1 Reply Last reply
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                                      • G gareth_iowc

                                        Yeah not sure what it's going to be like on road in the wet haha.

                                        NINJAN Offline
                                        NINJAN Offline
                                        NINJA
                                        wrote on last edited by
                                        #25

                                        @gareth_iowc Just avoid any bends dude!!! 😉

                                        SEDUCED BY THE DARK SIDE!!!

                                        1 Reply Last reply
                                        -1
                                        • G Offline
                                          G Offline
                                          gareth_iowc
                                          wrote on last edited by gareth_iowc
                                          #26

                                          It's back!!! The wheel is finally back!!

                                          So this is a 19" yz excel rim on a dt125r hub.

                                          Fits nice even with the wheel pushed althe way towards the engine there's still clearance.

                                          0_1494710430010_IMG_7215.JPG0_1494710451134_IMG_7214.JPG0_1494710490382_IMG_7213.JPG

                                          DT125R 2000
                                          DRZ400 2006
                                          Golf Mk3 20v Turbo 1996

                                          NINJAN 1 Reply Last reply
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