1980 ATC70 Restore Project #4

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1980 ATC70 Restore Project #4

This is a discussion on 1980 ATC70 Restore Project #4 within the 1973-1985 ATC70 and TRX70 forums, part of the General Talk category; Friends, This is just a tragedy. Such severe neglect and abuse. As a father of three other ATC 70's, it broke my heart when I ...

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  1. #1
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    1980 ATC70 Restore Project #4

    Friends, This is just a tragedy. Such severe neglect and abuse. As a father of three other ATC 70's, it broke my heart when I came across the pathetic plight of this 1980 ATC 70. Please send prayers for this bike. I may be able to help the outward appearance, but I worry about the emotional toll. There she sat for 20+ years in a barn. Unfed, unkempt, rusting away into a certain destiny of the scrap pile. Even in her dilapidated condition the owner would not take less than $100 for this rusted mess. The gas tank, frame, pull start, and a few other pieces can be salvaged, and she has foot peg guards; so my heart strings tugged and I brought her home with me. She'll be ATC 70 restore project #4. She's unique in that my other three are 1984's. I probably won't do too much work until the spring/summer but at least I've got another project bike and I'll update you all with any progress made.

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    Where was this one at?

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    Quote Originally Posted by hondaatc70 View Post
    Where was this one at?
    This one was in Utah.

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    Craigslist be like: "fresh oil change!"

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    Quote Originally Posted by mrrcx View Post
    Craigslist be like: "fresh oil change!"
    that's funny right there ^^^^^^^^

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    1980 atc 70

    Well it only took about four months, but I got the surgery table out and started the tear down of this project.
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    ATC 70 Electrolysis rust removal - gas tank

    I got the gas tank exterior looking good but the inside needed work.
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    After shaking the tank with the nuts inside it I dumped out the nuts and a lot of rust.
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    Next I capped the fuel drain tubes and poured some Loctite rust remover into the tank. I sloshed it around to coat the entire inside and let it sit for a while before flushing out the tank.
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    As I type, the tank is out in the garage going through the first round of electrolysis rust removal.
    I mixed up some arm and hammer wash soda (electrolyte) with water and filled the tank. Then I positioned a metal electrode such that it won't contact the sided of the gas tank. Then I hooked up the battery charger. As soon as I did the solution began bubbling and you know that electricity is being conducted from the side wall to the electrode. It carries the rust with it and it attaches to the electrode.
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    There's a lot of rust in this tank.

    Here's the two hour check, overnight check, cleaned anode, and a random check.
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    Gonna keep at it until no more rust is left.

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    Be careful. The tank might get pinholes. That's how I screwed up my tank.

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    Quote Originally Posted by dventu View Post
    Be careful. The tank might get pinholes. That's how I screwed up my tank.

    Sent from my SM-G925I using Tapatalk
    Yep, it opened up 5 small pinholes that I'm dealing with. I tried to weld them and made it worse. Now I'm looking at a fiberglass or brazing repair for it.

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    Brazen it. Fiberglass won't work asking me how I know

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