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Thread: Atc 70 xmas special replica

  1. #1
    Join Date
    May 2017
    Location
    Australia
    --
    116

    Atc 70 xmas special replica

    Hey all,

    Thought I might as well get started on a build thread for my 70.
    Basically going for a custom xmas special replica.
    So far Ive had the frame stretched 2" and sleeved 4" for strength. I didn't trust myself with this as it is significantly structural, so I got a guru boil maker to TIG it up for me.

    Click image for larger version. 

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    For relocating the fuel tank mounts, I machined down a pin on the lathe at work to the same size as the factory mounts. Then got it welded in and plugged the original tank mounts.
    Click image for larger version. 

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    While the frame was at the boil makers, He drilled and tapped a grease nipple into the rear bearing housing which is handy.

    Click image for larger version. 

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    Fenders Arrived, Will be handy to have them for getting the tank and forks colour coded to match.
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    So Basically, only just getting started on the project. But I plan to document the whole build here.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  2. #2
    Join Date
    May 2017
    Location
    W.Monroe, La.
    --
    14
    Good luck with your build. I have managed to find a real Christmas special, but the previous owners dog used it as a chew toy. LOL It needs lots of parts that I am slowly trying to pick up. I look forward to following your thread and hopefully getting some ideas along the way.
    Some hay wire and a zip tie will fix that!

  3. #3
    Join Date
    May 2017
    Location
    Australia
    --
    116
    Quote Originally Posted by rip it View Post
    Good luck with your build. I have managed to find a real Christmas special, but the previous owners dog used it as a chew toy. LOL It needs lots of parts that I am slowly trying to pick up. I look forward to following your thread and hopefully getting some ideas along the way.
    Thanks mate. Yeah I plan to document the whole build here so there will be plenty to come. What is it about dogs and chewing fenders? I have an atc and trx 70 that both have chew marks from dogs lol. I hope you don't cut it up like what I've done. Those things are best left original in my opinion.

  4. #4
    Join Date
    May 2017
    Location
    W.Monroe, La.
    --
    14
    I'm going to have to cut up the back fenders, there is too much material missing to make it look right. The front fender I can salvage without too much work. That dog even ate part of the foot peg rubbers and hand grips. LOL What was he thinking?
    Some hay wire and a zip tie will fix that!

  5. #5
    Join Date
    Jul 2016
    Location
    Kentucky
    --
    38
    Guru boiler maker huh? So a pipe fitter drop out? That thing is going to be sweet

  6. #6
    Join Date
    May 2017
    Location
    Australia
    --
    116
    Quote Originally Posted by HoldMyBeer View Post
    Guru boiler maker huh? So a pipe fitter drop out? That thing is going to be sweet
    Uh He's #1 welder around man. I also got him to machine my hubs down to fit go kart wheels I'll upload some pics.

  7. #7
    Join Date
    May 2017
    Location
    Australia
    --
    116
    Its been a while since I've done any work on this bike, too busy fixing up my new air cooled 250r. Anyway Here's some photos of the custom rear hubs machined to fit kart wheels.
    Click image for larger version. 

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    I managed to find a set a rear brake hub off an Eton ATV that fits the factory honda splines so I can run a Disc brake setup which will work well. The only thing I will have to do is run a slightly different size seal and machine the crush tube to fit flush with where the hub sits on the axle
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    Heres the excess that needs to be machined off because the disc hub is wider than original drum.
    Click image for larger version. 

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    FYI These Eton hubs fit straight onto the atc 70 axle
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    Click image for larger version. 

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    Next up is to get the engine and mount oil cooler prior to paint...

  8. #8
    Join Date
    Jun 2017
    Location
    Phoenix, AZ
    --
    13
    I need to go google Christmas Special lol. Have fun with it and keep us posted!
    Last edited by AZ Dean; 06-30-2017 at 03:13 PM. Reason: Missed a word

  9. #9
    Join Date
    Jun 2017
    Location
    Phoenix, AZ
    --
    13
    Click image for larger version. 

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    Sweet!

  10. #10
    Join Date
    May 2017
    Location
    Australia
    --
    116
    So I've finally been doing a little work on the tank getting it ready for paint. I got the dents pulled out now just need to use jb weld to build up and patch where it's been welded. Then off to paint it goes.



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  11. #11
    Join Date
    May 2017
    Location
    Australia
    --
    116
    So the build has had a slight change of course, it's still going to be blue but less of an Xmas special replica...
    frame and forks are off for powder tomorrow. Happy to see this project get a move on as I've been tied up overhauling my 250r haha



    I use heat proof silicon in the surfaces where bearings press into to prevent powder going there. Threads can be re tapped easily enough



    Sent from my iPhone using Tapatalk

  12. #12
    Join Date
    May 2017
    Location
    Australia
    --
    116
    So my parts came back from powder on Friday and the reassembly has begun!




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  13. #13
    Join Date
    May 2017
    Location
    Australia
    --
    116
    Slowly sorting chipping away at this and my 250r. Engine is dialed in with the new carb -Lifan 125 with 26mm oko flatslide carb (keihin copy). Once my new engine bolts arrive I'll slap it in.
    I got the tank painted and it looks immaculate.
    There's a bit of mucking around fitting the caliber for the rear disc. If anyone can recommend a caliber that fits nicely let me know. Im trying to make a pitbike one fit...

    Yeah my work bench is a bit messy lol






    Sent from my iPhone using Tapatalk

  14. #14
    Join Date
    Apr 2014
    Location
    Australia
    --
    510
    Quote Originally Posted by oldoo View Post
    Slowly sorting chipping away at this and my 250r. Engine is dialed in with the new carb -Lifan 125 with 26mm oko flatslide carb (keihin copy). Once my new engine bolts arrive I'll slap it in.
    I got the tank painted and it looks immaculate.
    There's a bit of mucking around fitting the caliber for the rear disc. If anyone can recommend a caliber that fits nicely let me know. Im trying to make a pitbike one fit...

    Yeah my work bench is a bit messy lol






    Sent from my iPhone using Tapatalk
    Looking sweet buddy! Throw the 250r motor in it ha ha ha


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  15. #15
    Join Date
    Jan 2009
    Location
    ohio
    --
    1,425
    Want size of e-Ton quad did those hubs come off of? I can't get that part number to come up
    If its on the internet its got to be true they can't put any lie's on the internet

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