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Atc 70

This is a discussion on Atc 70 within the 1973-1985 ATC70 and TRX70 forums, part of the General Talk category; Originally Posted by tblumer with the correct piston you can use a stroker crank for a crf50 and swap in a modern cdi setup. my ...

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  1. #21
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    Quote Originally Posted by tblumer View Post
    with the correct piston you can use a stroker crank for a crf50 and swap in a modern cdi setup. my avatar bike is an atc70 motor punched out and stroked to 117 with a cdi crank
    Ok thanks. If I went with a Lifan 125 with a kick start, could I still use my stock brake setup. I just wanted to keep it simple because I'm not a mechanic lol.


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    Just add a second lever and run the clutch cable to that, I moved the brake to the throttle side an put the clutch on the left.

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    Do you plan on using the stock thumb throttle?

    tmas
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    Quote Originally Posted by tmas View Post
    Do you plan on using the stock thumb throttle?

    tmas
    Yes

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    Quote Originally Posted by tblumer View Post
    Just add a second lever and run the clutch cable to that, I moved the brake to the throttle side an put the clutch on the left.
    Ok thanks. I'm probably gonna order the engine off ebay. But the thing about it is that there's nothing wrong with the stock engine. I feel like it will cost alot of money trying to make the Honda engine perform like a 125cc Lifan.

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    You should order the engine from a forum sponsor like Wholesale Cycle.....that way you will have someone to talk to if you get in a jam

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    Seems an electric start would make things tonnes easier. I've seen both over and under mount starters on the 125 engines; however over mount requires rev'd intake mount a la KLX110. Don't think there's room under the tank for that; actually if I recall real estate under the tank is REALLY hard to come by on ATC70.
    I ride.

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    Yes, very true, I had to dent the underside to fit a vm24

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    Quote Originally Posted by doopsx3 View Post
    You should order the engine from a forum sponsor like Wholesale Cycle.....that way you will have someone to talk to if you get in a jam
    ok I will give them a call.

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    Quote Originally Posted by Andrae View Post
    I don't know I might have to cut the fenders. I heard you can shorten the kick starter.


    I used a shortened stock Z50 kicker on my 125 ATC70 when I had it. tmas is right- a small foot helps... I have a size 10.5 shoe and if the plastics were trimmed correctly you can do it.



    Also, I had a manual clutch and it was WAAAAY more fun for snow, dirt and mud. It was easy to dump and break the rear end out. Typing this makes me miss that little guy...



    -HFM

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    Quote Originally Posted by HondaFiddyMan View Post
    I used a shortened stock Z50 kicker on my 125 ATC70 when I had it. tmas is right- a small foot helps... I have a size 10.5 shoe and if the plastics were trimmed correctly you can do it.



    Also, I had a manual clutch and it was WAAAAY more fun for snow, dirt and mud. It was easy to dump and break the rear end out. Typing this makes me miss that little guy...



    -HFM
    I finally got in touch with the guy from ATC70.com I believe it's Sterdy products. He has the whole 125cc Lifan set up for 640.00 shipped. Not a bad deal huh?

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    Quote Originally Posted by Andrae View Post
    I finally got in touch with the guy from ATC70.com I believe it's Sterdy products. He has the whole 125cc Lifan set up for 640.00 shipped. Not a bad deal huh?




    That sounds steep to me. Did you check out - http://www.dratv.com/newengines.html ? Good luck.

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    Quote Originally Posted by Dreamcrusher67 View Post
    That sounds steep to me. Did you check out - http://www.dratv.com/newengines.html ? Good luck.


    X2 on steep. You can get a 150 for that....with an E start (T-Bolt) Keep shopping.



    -HFM

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    thats a crazy price for a 125

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    Quote Originally Posted by Andrae View Post
    I finally got in touch with the guy from ATC70.com I believe it's Sterdy products. He has the whole 125cc Lifan set up for 640.00 shipped. Not a bad deal huh?
    I believe the semi automatic 125 kit from Sterdy comes with a bit more then just the engine.

    tmas



    125 Lifan Semi Auto Engine Kit ( $600 plus $40 Shipping Cont US )

    SKU: 125 Lifan Semi Auto Engine



    125 Lifan Semi Auto Engine Kit.

    Kit Includes:



    Lifan 125 Semi Auto Engine with 4 up shifting.

    CDI , rectifier & mounting bracket

    Simple Plug and play wiring harness made specifically for the atc70 and this engine swap

    22mm carburetor with intake that fits under the 70 tank.

    Custom cnc'd pulley cage

    Custom fiber glass side cover

    Foam Air Filter







    Sterdy 125 motor kit
    ...... 2013 Award Winner

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    Quote Originally Posted by Dreamcrusher67 View Post
    That sounds steep to me. Did you check out - http://www.dratv.com/newengines.html ? Good luck.
    I just looked at Dratv.com. They have some great prices but it's sort of hard to talk to them. They would rather email you. Lol.

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    I have a 99% restored 1979 atc70 and i was wondering what is worth and what i should put it up for

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