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DT125R FORUM

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  4. 2003 Yamaha Dt125R Project

2003 Yamaha Dt125R Project

Scheduled Pinned Locked Moved DTR
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  • NINJAN NINJA

    @Walney-Reptiles Those forks look damn good dude. 👍

    Walney-ReptilesW Offline
    Walney-ReptilesW Offline
    Walney-Reptiles
    wrote on last edited by
    #50

    @NINJA cheers mate 😄

    1 Reply Last reply
    0
    • Walney-ReptilesW Offline
      Walney-ReptilesW Offline
      Walney-Reptiles
      wrote on last edited by
      #51

      A Big Thanks to @Challenger For Selling me the WR200 Swing arm, Caliper Carrier And Caliper 😄

      (This Bike Gunna Be A Beast!!!)

      1 Reply Last reply
      1
      • Walney-ReptilesW Offline
        Walney-ReptilesW Offline
        Walney-Reptiles
        wrote on last edited by Walney-Reptiles
        #52

        Project Update!!

        Soo i have had to Design a HeadSet Spacer for my new forks to fit, as the new taper bearing for the old forks dosnt fit the steering shaft on my new forks so i have designed this using Onshape, I have Ordered some Alliminium Tube which is 56mmOD 32mmID 12mmWall 200mm in lenth for £15 next thing todo is 3Dprint a Prototype then test fit then get my freind's Lathe going and make one out of the Alliminium 😄

        alt text

        1 Reply Last reply
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        • Walney-ReptilesW Offline
          Walney-ReptilesW Offline
          Walney-Reptiles
          wrote on last edited by
          #53

          well guys for chrismas i got a PKW 32 keihin carb off my old man Looks mint he said its good for a 125cc upto a tuned 200cc 😄 will upload photos later on.

          O 1 Reply Last reply
          1
          • Walney-ReptilesW Walney-Reptiles

            well guys for chrismas i got a PKW 32 keihin carb off my old man Looks mint he said its good for a 125cc upto a tuned 200cc 😄 will upload photos later on.

            O Offline
            O Offline
            oldman
            wrote on last edited by
            #54

            @Walney-Reptiles your dad is a good man!

            1 Reply Last reply
            1
            • Walney-ReptilesW Offline
              Walney-ReptilesW Offline
              Walney-Reptiles
              wrote on last edited by
              #55

              heres some photos all shiney and new 😄

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              • ChallengerC Offline
                ChallengerC Offline
                Challenger
                wrote on last edited by
                #56

                The carb looks tall for a DT, did you try fitting it already? Maybe only the gas linkage mount will need changing.

                1 Reply Last reply
                0
                • CalumC Offline
                  CalumC Offline
                  Calum
                  wrote on last edited by
                  #57

                  Should be okay, I don't recall there being height clearance issues when fitting the VHSA. Be good to see how this fairs up.

                  Always Originate, Never Pirate!

                  1 Reply Last reply
                  2
                  • T Offline
                    T Offline
                    theportingmaster
                    wrote on last edited by
                    #58

                    Previously fitted a PWK 32 carb to a 2003 dt and the carb is quite small pictured next to a Mikuni TM 30. Fitted it to a modified 2003 dt inlet manifold, throttle cable outer needs shortening by 30mm carb end and with a warm air filter rubber fits over.
                    1b.jpg
                    1aa.jpg
                    1a.jpg
                    1c.jpg
                    1d.jpg

                    Walney-ReptilesW 1 Reply Last reply
                    2
                    • T theportingmaster

                      Previously fitted a PWK 32 carb to a 2003 dt and the carb is quite small pictured next to a Mikuni TM 30. Fitted it to a modified 2003 dt inlet manifold, throttle cable outer needs shortening by 30mm carb end and with a warm air filter rubber fits over.
                      1b.jpg
                      1aa.jpg
                      1a.jpg
                      1c.jpg
                      1d.jpg

                      Walney-ReptilesW Offline
                      Walney-ReptilesW Offline
                      Walney-Reptiles
                      wrote on last edited by
                      #59

                      @theportingmaster cheersa for your post mate ill have to stick with the PWK32 or now as it was a crimbo prezzie, what jet size did you use on the pwk on the 2003 dt? would be good to know. cheers buddy!

                      1 Reply Last reply
                      0
                      • J Offline
                        J Offline
                        jonne123
                        wrote on last edited by
                        #60

                        Do you recommend carbon fiber reeds?

                        Walney-ReptilesW 1 Reply Last reply
                        0
                        • J jonne123

                          Do you recommend carbon fiber reeds?

                          Walney-ReptilesW Offline
                          Walney-ReptilesW Offline
                          Walney-Reptiles
                          wrote on last edited by Walney-Reptiles
                          #61

                          @jonne123 there,s a few topics on this site already buddy try reading through them, this is for posting about my progress on my project

                          https://dt125r.co.uk/topic/790/recommended-reeds

                          1 Reply Last reply
                          0
                          • T Offline
                            T Offline
                            theportingmaster
                            wrote on last edited by
                            #62

                            Hi @Walney-Reptiles used a K135 main jet with a K38 slow jet fitted to a standard airbox. Bike had a Gianelli full system on it.

                            Walney-ReptilesW 1 Reply Last reply
                            0
                            • T Offline
                              T Offline
                              theportingmaster
                              wrote on last edited by
                              #63

                              Hi @jonne123 carbon reeds only make a difference really to fully modified engines when all other mods are done as it is a
                              combination of all tuning mods matched that makes a difference and carbon reeds do nothing for a standard engine.
                              I fit them to most engines I build as make them myself as easy to make them and cost around £1 a set to make.

                              1 Reply Last reply
                              0
                              • T theportingmaster

                                Hi @Walney-Reptiles used a K135 main jet with a K38 slow jet fitted to a standard airbox. Bike had a Gianelli full system on it.

                                Walney-ReptilesW Offline
                                Walney-ReptilesW Offline
                                Walney-Reptiles
                                wrote on last edited by
                                #64

                                @theportingmaster said in 2003 Yamaha Dt125R Project:

                                K38 slow jet

                                cheers buddy, il be getting a limited edition stainless steel and silencer exhaust from portugal in the next few months, will upload photos when its arrived!

                                1 Reply Last reply
                                1
                                • Walney-ReptilesW Offline
                                  Walney-ReptilesW Offline
                                  Walney-Reptiles
                                  wrote on last edited by Walney-Reptiles
                                  #65

                                  Soo i have come to a very hard decision and have somthink i need to say and i would like everyone that see's this to have a read

                                  All of the above parts (forks, engine, carb, frame, wiring loom + other bits that are not on here,are going up for sale) any questions please ask

                                  all stuff for sale (Buyer sorts courier or Collection)

                                  Engine + Carb + Wiring loom Will be soild as one unit Open to Decent offers around £650

                                  Engine (Fully rebuilt check the above posts out)
                                  Carb PWK32 Keihin (Brand new never used)
                                  Wiring loom + 3RM-20 CDI + PV servo (Wiring loom Needs a little work, no ignition switch, no indicator wiring as the loom was made bare for green laning less stuff togo wrong when out and off roading)

                                  WR426F + aliminium adapter + New head set bearings dust sheilds and shims (No wheel or caliper or Disc) (also see posts above) (£160 OVNO)

                                  WR 200 Swingarm + Caliper and Carrier £115 OVNO (Can get photos by Request) Open to offers

                                  Frame + tank + Rad as it is Needs sand blasting and powder coating in buyers color choice, the frame has had nuts welded onto the original nuts where the original ones stripped out and has had the rear brake master cylinder mount reinforced with 4mm steel welded on Comes with V5 also has a WR125 Rad with rubber vibration mounts fitted and Red fan will need wiring up to the bike fitted to the standard rad mount tank still fits on with the plastics extra pipe fittings on the rad may need blanking off (Price will be how ever much the powder coating costs + £200) can get photos by request

                                  Other bits i have are two rims front and rear they need blasting and powder coating no hubs no spokes i have New bearings for the DTR hubs can get photos by request... Open to offers

                                  cant name all the parts i have off hand but if you want to know if i have a part ask and i will see if i have the parts

                                  CalumC 1 Reply Last reply
                                  0
                                  • Walney-ReptilesW Walney-Reptiles

                                    Soo i have come to a very hard decision and have somthink i need to say and i would like everyone that see's this to have a read

                                    All of the above parts (forks, engine, carb, frame, wiring loom + other bits that are not on here,are going up for sale) any questions please ask

                                    all stuff for sale (Buyer sorts courier or Collection)

                                    Engine + Carb + Wiring loom Will be soild as one unit Open to Decent offers around £650

                                    Engine (Fully rebuilt check the above posts out)
                                    Carb PWK32 Keihin (Brand new never used)
                                    Wiring loom + 3RM-20 CDI + PV servo (Wiring loom Needs a little work, no ignition switch, no indicator wiring as the loom was made bare for green laning less stuff togo wrong when out and off roading)

                                    WR426F + aliminium adapter + New head set bearings dust sheilds and shims (No wheel or caliper or Disc) (also see posts above) (£160 OVNO)

                                    WR 200 Swingarm + Caliper and Carrier £115 OVNO (Can get photos by Request) Open to offers

                                    Frame + tank + Rad as it is Needs sand blasting and powder coating in buyers color choice, the frame has had nuts welded onto the original nuts where the original ones stripped out and has had the rear brake master cylinder mount reinforced with 4mm steel welded on Comes with V5 also has a WR125 Rad with rubber vibration mounts fitted and Red fan will need wiring up to the bike fitted to the standard rad mount tank still fits on with the plastics extra pipe fittings on the rad may need blanking off (Price will be how ever much the powder coating costs + £200) can get photos by request

                                    Other bits i have are two rims front and rear they need blasting and powder coating no hubs no spokes i have New bearings for the DTR hubs can get photos by request... Open to offers

                                    cant name all the parts i have off hand but if you want to know if i have a part ask and i will see if i have the parts

                                    CalumC Offline
                                    CalumC Offline
                                    Calum
                                    wrote on last edited by
                                    #66

                                    @Walney-Reptiles Ah sorry to hear this bud.

                                    Can you not post in the for sale section?

                                    Always Originate, Never Pirate!

                                    Walney-ReptilesW 1 Reply Last reply
                                    0
                                    • CalumC Calum

                                      @Walney-Reptiles Ah sorry to hear this bud.

                                      Can you not post in the for sale section?

                                      Walney-ReptilesW Offline
                                      Walney-ReptilesW Offline
                                      Walney-Reptiles
                                      wrote on last edited by
                                      #67

                                      @Calum Il copy and paste it into the forsale section but id like to leave it in here too as all the pics etc... are in here

                                      1 Reply Last reply
                                      0
                                      • L Offline
                                        L Offline
                                        Lukas
                                        wrote on last edited by
                                        #68

                                        i know that this is quite a old conversation but if you still have the dt125 and you want more power, a yz125 1989-1993 engine atleast fits perfectly with the swingarm and you just have to make like 2 head mounts from sheet steel, i did that to mine cause well the cylinder fucked up and i had a yz laying around because i was doing a dyz project anyway, so i sold my other damaged dt125 frame and just built it in my main bike where i kept the dt frame for plates and the frame number and everything else on it is from a yz

                                        1 Reply Last reply
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