Skip to content
  • Recent
  • Tags
  • Popular
  • Users
  • Groups
Skins
  • Light
  • Cerulean
  • Cosmo
  • Flatly
  • Journal
  • Litera
  • Lumen
  • Lux
  • Materia
  • Minty
  • Morph
  • Pulse
  • Sandstone
  • Simplex
  • Sketchy
  • Spacelab
  • United
  • Yeti
  • Zephyr
  • Dark
  • Cyborg
  • Darkly
  • Quartz
  • Slate
  • Solar
  • Superhero
  • Vapor

  • Default (Slate)
  • No Skin
Collapse
Brand Logo

DT125R FORUM

  1. Home
  2. Technical Zone
  3. Engine swaps for dummies!

Engine swaps for dummies!

Scheduled Pinned Locked Moved Technical Zone
13 Posts 7 Posters 2.1k Views
  • Oldest to Newest
  • Newest to Oldest
  • Most Votes
Reply
  • Reply as topic
Log in to reply
This topic has been deleted. Only users with topic management privileges can see it.
  • D dan28

    I be fitted a Dt motor in a chopper that should have a v twin four stroke
    Fitting the engine required making new mounts etc but that's the easy part getting the exhaust an loom to fit was a nightmare

    What are you planning to do if you are swapping one 2 stroke for another it should be a case of chopping an moving the mounts but it's not always that simple if the engine has to mount through swing arm

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

    @dan28 well I have a cpi sm 50 small and light the rear mount should work the front one needs widening in just trying to lean as much as possible if I happen to have the money to make it possible

    1 Reply Last reply
    0
    • P Offline
      P Offline
      PerithTV
      wrote on last edited by
      #4

      I've had problems with the swingarm pivot bolts that were not properly greased when installed completely seizing. I tried Pentrating oil, heat and the air hammer. None worked so i just used an angle grinder to cut the bolt.

      F ZrakoZ 2 Replies Last reply
      1
      • P PerithTV

        I've had problems with the swingarm pivot bolts that were not properly greased when installed completely seizing. I tried Pentrating oil, heat and the air hammer. None worked so i just used an angle grinder to cut the bolt.

        F Offline
        F Offline
        finnerz89
        wrote on last edited by
        #5

        @perithtv I've been there too. They'll be coming out once a year and regreased from now on

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

        Previous:
        DR650RSE '96
        FJ1200 '92

        1 Reply Last reply
        1
        • CalumC Offline
          CalumC Offline
          Calum
          wrote on last edited by
          #6

          I've never had issues with the swingarm bolt. having owned the bike since 5k miles, it's never cause me any grief. Once it was removed it was regreased and that's that.

          I grease it everytime I remove it, but I won't remove it to regrease it.

          Same goes with the shock linkages. Many have trouble with those.

          Always Originate, Never Pirate!

          F 1 Reply Last reply
          0
          • CalumC Calum

            I've never had issues with the swingarm bolt. having owned the bike since 5k miles, it's never cause me any grief. Once it was removed it was regreased and that's that.

            I grease it everytime I remove it, but I won't remove it to regrease it.

            Same goes with the shock linkages. Many have trouble with those.

            F Offline
            F Offline
            finnerz89
            wrote on last edited by
            #7

            @calum shock linkages are ok on mine as they're fitted with grease nipples.

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

            Previous:
            DR650RSE '96
            FJ1200 '92

            CalumC 1 Reply Last reply
            0
            • F finnerz89

              @calum shock linkages are ok on mine as they're fitted with grease nipples.

              CalumC Offline
              CalumC Offline
              Calum
              wrote on last edited by
              #8

              @finnerz89 And what 17 year old greases those up, more interested in human nipples lol.

              Always Originate, Never Pirate!

              1 Reply Last reply
              0
              • NottsbikerN Offline
                NottsbikerN Offline
                Nottsbiker
                wrote on last edited by
                #9

                Just pulled out all the bushes etc out of the TDR linkage and have made a start on the swingarm but ran out of time over the weekend. Grease nipples are good when they work, but nothing can replace taking something apart, cleaning it fully and putting back together again - why not make it a winter task, or do it when off work sometime.

                F 1 Reply Last reply
                0
                • NottsbikerN Nottsbiker

                  Just pulled out all the bushes etc out of the TDR linkage and have made a start on the swingarm but ran out of time over the weekend. Grease nipples are good when they work, but nothing can replace taking something apart, cleaning it fully and putting back together again - why not make it a winter task, or do it when off work sometime.

                  F Offline
                  F Offline
                  finnerz89
                  wrote on last edited by
                  #10

                  @nottsbiker my plan exactly

                  @Calum I'm 28 and still the same..... Lol

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

                  Previous:
                  DR650RSE '96
                  FJ1200 '92

                  declanD 1 Reply Last reply
                  0
                  • F finnerz89

                    @nottsbiker my plan exactly

                    @Calum I'm 28 and still the same..... Lol

                    declanD Offline
                    declanD Offline
                    declan
                    wrote on last edited by
                    #11

                    @finnerz89 my front engine mount is solid can't loosen it I tried everything my swing arm one was good though I had to leave the engine in the frame to rebuild it

                    NottsbikerN 1 Reply Last reply
                    0
                    • declanD declan

                      @finnerz89 my front engine mount is solid can't loosen it I tried everything my swing arm one was good though I had to leave the engine in the frame to rebuild it

                      NottsbikerN Offline
                      NottsbikerN Offline
                      Nottsbiker
                      wrote on last edited by
                      #12

                      @declan said in Engine swaps for dummies!:

                      @finnerz89 my front engine mount is solid can't loosen it I tried everything my swing arm one was good though I had to leave the engine in the frame to rebuild it

                      Get some heat and penetrating fluid in there (diesel works too) and alternate trying to turn it both ways with hitting it. Be careful if you try and hit the threaded end as you will need to keep the nut on in case you peen it over or miss and damage the threads.

                      1 Reply Last reply
                      0
                      • P PerithTV

                        I've had problems with the swingarm pivot bolts that were not properly greased when installed completely seizing. I tried Pentrating oil, heat and the air hammer. None worked so i just used an angle grinder to cut the bolt.

                        ZrakoZ Offline
                        ZrakoZ Offline
                        Zrako
                        wrote on last edited by
                        #13

                        @perithtv I've been there too few months ago. Soaking , heating etc etc nothing
                        Take off everything possible what can restrict you in the back and chop the bolt on as much places as angle grinder let you. I had 4 cuts and lifted the pieces off. Bought brand new guts for it and there is more grease then metal on it 😂 damaged my axe on it too 😁

                        1979 Jawa Mustang 50
                        2003 Gilera DNA 125 R.I.P
                        2015 Keeway TX 125 SM
                        2006 Yamaha DT 125 X

                        1 Reply Last reply
                        0
                        Reply
                        • Reply as topic
                        Log in to reply
                        • Oldest to Newest
                        • Newest to Oldest
                        • Most Votes


                        • Login

                        • Don't have an account? Register

                        • Login or register to search.
                        • First post
                          Last post
                        0
                        • Recent
                        • Tags
                        • Popular
                        • Users
                        • Groups