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DT125R FORUM

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  4. My DT125 80s Yz style DT200 build one to watch!

My DT125 80s Yz style DT200 build one to watch!

Scheduled Pinned Locked Moved DTR
233 Posts 17 Posters 57.5k Views 3 Watching
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  • M mhbikesnbits

    @SpookDog oh yes you got that right it is very satisfying,I’m lucky in the respect that’s it’s only a two stroke bike and not a Audi with ten times the amount of bits lol

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    SpookDog
    wrote on last edited by
    #137

    @mhbikesnbits

    It was only an old Audi 90 10v that I went OCD on. I put a gas flowed head on it with a fat cam and lowered it. Some horrible little crackhead weighted it in when I got made homeless and wasn’t around, back when the price of scrap went crazy (2010?)
    Shtuff happens! 🤨 ...

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    • M Offline
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      mhbikesnbits
      wrote on last edited by mhbikesnbits
      #138

      Pretty much got the engine built just need do some finishing touches on it and order couple of other bits I used high quality bearings and seals and all genuine Yamaha gaskets including the head gasket.

      Bore was in good condition I used a 68mm wosner piston To replace the old one

      Thinking of putting it on the frame with no oil all in as I’m thinking of setting the clutch up all In one go once the clutch perch and cable is installed with the clutch having 3 places to to adjust it

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      markus.wM 1 Reply Last reply
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      • M mhbikesnbits

        Pretty much got the engine built just need do some finishing touches on it and order couple of other bits I used high quality bearings and seals and all genuine Yamaha gaskets including the head gasket.

        Bore was in good condition I used a 68mm wosner piston To replace the old one

        Thinking of putting it on the frame with no oil all in as I’m thinking of setting the clutch up all In one go once the clutch perch and cable is installed with the clutch having 3 places to to adjust it

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        markus.wM Offline
        markus.wM Offline
        markus.w
        wrote on last edited by
        #139

        @mhbikesnbits looking real nice mate this going to be a quality build. I'm liking the black powder coat on all the engine parts. 68mm piston you say, would that be 200cc? Or even I'm thinking 200cc oversize?

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        • markus.wM markus.w

          @mhbikesnbits looking real nice mate this going to be a quality build. I'm liking the black powder coat on all the engine parts. 68mm piston you say, would that be 200cc? Or even I'm thinking 200cc oversize?

          M Offline
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          mhbikesnbits
          wrote on last edited by
          #140

          @markus-w cheers pal I hope it’s going to look quality the money I’ve spent so far 😂, it is a 200 e engine yes unsure what the stock size from the factory is tbh or if it’s been bored out or anything

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          • S SpookDog

            @mhbikesnbits

            It was only an old Audi 90 10v that I went OCD on. I put a gas flowed head on it with a fat cam and lowered it. Some horrible little crackhead weighted it in when I got made homeless and wasn’t around, back when the price of scrap went crazy (2010?)
            Shtuff happens! 🤨 ...

            M Offline
            M Offline
            mhbikesnbits
            wrote on last edited by
            #141

            @SpookDog what a shame bet you were gutted when you found it was gone

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            • M mhbikesnbits

              @markus-w cheers pal I hope it’s going to look quality the money I’ve spent so far 😂, it is a 200 e engine yes unsure what the stock size from the factory is tbh or if it’s been bored out or anything

              markus.wM Offline
              markus.wM Offline
              markus.w
              wrote on last edited by
              #142

              @mhbikesnbits I think standard is 66mm.

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              • markus.wM markus.w

                @mhbikesnbits I think standard is 66mm.

                M Offline
                M Offline
                mhbikesnbits
                wrote on last edited by
                #143

                @markus-w can’t wait kick it in tbh see what the engine can do

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                • M mhbikesnbits

                  @markus-w cheers pal I hope it’s going to look quality the money I’ve spent so far 😂, it is a 200 e engine yes unsure what the stock size from the factory is tbh or if it’s been bored out or anything

                  markus.wM Offline
                  markus.wM Offline
                  markus.w
                  wrote on last edited by
                  #144

                  @mhbikesnbits I've just done the maths on it. A standard 200cc barrel is actually 195cc (65.98mm piston) a 68mm bore would make it 207cc so a difference of 12cc. Should be quite noticeable.

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                  • markus.wM markus.w

                    @mhbikesnbits I've just done the maths on it. A standard 200cc barrel is actually 195cc (65.98mm piston) a 68mm bore would make it 207cc so a difference of 12cc. Should be quite noticeable.

                    M Offline
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                    mhbikesnbits
                    wrote on last edited by
                    #145

                    @markus-w you’ve got be excited now 😂

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                    • M Offline
                      M Offline
                      mhbikesnbits
                      wrote on last edited by
                      #146

                      This gets the rattle can treatment it’s only for holding a pipe 😂

                      Bit sloppy tbh compared to other things but going to go with a silver paint, may get one later down the Line powder coated, just want to get that engine in the frame asap

                      alt text

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                      • M Offline
                        M Offline
                        mhbikesnbits
                        wrote on last edited by mhbikesnbits
                        #147

                        When we had a nice bout of sun the other day I sat in the garden, and started the lovely job of polishing the lower triple clamp.

                        Pictures don’t really show the finish very good looks far better in person

                        I started with 200 wet and dry and worked my way up to 1000 and finished with a hand polish of some mothers and mag.

                        The top of the clamp is black powder coated

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                        Once the engines dropped in I can get the clamps in because the weight of them will probably drag the frame over now.

                        My next task will be probably getting all the handle bars in the and switch gear. I’m going with some pro taper gear for the handle bars.

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                        • M mhbikesnbits

                          This gets the rattle can treatment it’s only for holding a pipe 😂

                          Bit sloppy tbh compared to other things but going to go with a silver paint, may get one later down the Line powder coated, just want to get that engine in the frame asap

                          alt text

                          S Offline
                          S Offline
                          SpookDog
                          wrote on last edited by SpookDog
                          #148

                          @mhbikesnbits

                          It definitely warrants better treatment! 😜

                          Poor things always seem to corrode under the pipe, before the clamp...

                          But yeah! Bung it on!!...

                          PS. You gonna lacquer the bottom yoke?...

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                          • S SpookDog

                            @mhbikesnbits

                            It definitely warrants better treatment! 😜

                            Poor things always seem to corrode under the pipe, before the clamp...

                            But yeah! Bung it on!!...

                            PS. You gonna lacquer the bottom yoke?...

                            M Offline
                            M Offline
                            mhbikesnbits
                            wrote on last edited by
                            #149

                            @SpookDog now I’m thinking make one on the cnc machine would look pretty bad ass

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                            • S SpookDog

                              @mhbikesnbits

                              It definitely warrants better treatment! 😜

                              Poor things always seem to corrode under the pipe, before the clamp...

                              But yeah! Bung it on!!...

                              PS. You gonna lacquer the bottom yoke?...

                              M Offline
                              M Offline
                              mhbikesnbits
                              wrote on last edited by
                              #150

                              @SpookDog lacquer… hmm never give it a thought to protect the shine ?

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                              • CalumC Offline
                                CalumC Offline
                                Calum
                                wrote on last edited by Calum
                                #151

                                Bottom yokes have come up nicely! It should hold its shine for a wee while but it's always the way with those things.

                                The pro taper handlebars are nice to be fair.

                                Always Originate, Never Pirate!

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                                • CalumC Calum

                                  Bottom yokes have come up nicely! It should hold its shine for a wee while but it's always the way with those things.

                                  The pro taper handlebars are nice to be fair.

                                  M Offline
                                  M Offline
                                  mhbikesnbits
                                  wrote on last edited by
                                  #152

                                  @Calum bike will be kept inside and probably only ride on the nicer weather days so hopefully this will help it last longer

                                  markus.wM 1 Reply Last reply
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                                  • M mhbikesnbits

                                    @Calum bike will be kept inside and probably only ride on the nicer weather days so hopefully this will help it last longer

                                    markus.wM Offline
                                    markus.wM Offline
                                    markus.w
                                    wrote on last edited by
                                    #153

                                    @mhbikesnbits still won't take long to lose the shine. Lacquer would work well. It looks really good polished and I really don't want to come across like I'm picking but would it not look better with the top and bottom yokes the same colour? IE both black with the chrome forks? Personal preference I know but I'm trying to picture it in my head.

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                                    • markus.wM markus.w

                                      @mhbikesnbits still won't take long to lose the shine. Lacquer would work well. It looks really good polished and I really don't want to come across like I'm picking but would it not look better with the top and bottom yokes the same colour? IE both black with the chrome forks? Personal preference I know but I'm trying to picture it in my head.

                                      M Offline
                                      M Offline
                                      mhbikesnbits
                                      wrote on last edited by
                                      #154

                                      @markus-w hmm maybe could try the lacquer, I’m going with the black top polished bottom as that was the style it was on the 80s yzs

                                      markus.wM 1 Reply Last reply
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                                      • markus.wM markus.w

                                        @mhbikesnbits still won't take long to lose the shine. Lacquer would work well. It looks really good polished and I really don't want to come across like I'm picking but would it not look better with the top and bottom yokes the same colour? IE both black with the chrome forks? Personal preference I know but I'm trying to picture it in my head.

                                        M Offline
                                        M Offline
                                        mhbikesnbits
                                        wrote on last edited by mhbikesnbits
                                        #155

                                        @markus-w maybe this will give you abit more of idea what it would look like,

                                        I have a little think about the lacquering and my only issue is paint doesn’t like smooth surfaces so would it end up getting lacquer peel ?

                                        alt text

                                        markus.wM CalumC 2 Replies Last reply
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                                        • M mhbikesnbits

                                          @markus-w hmm maybe could try the lacquer, I’m going with the black top polished bottom as that was the style it was on the 80s yzs

                                          markus.wM Offline
                                          markus.wM Offline
                                          markus.w
                                          wrote on last edited by
                                          #156

                                          @mhbikesnbits fair enough it is the yz look you are going for. Does look good.

                                          1 Reply Last reply
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