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Thread: Any tips on removing the brake drum? 1984 125M.

  1. #1
    Join Date
    Aug 2003
    --
    22

    Any tips on removing the brake drum? 1984 125M.

    I already removed the locknuts and seal. I've turned the cam and compressed the brake shoes, so it's not ridged in. It's just corroded on the splines. Any ideas?

    1984 ATC125M. Will it run? We'll see!

  2. #2
    Join Date
    Jan 2003
    --
    35
    Behind the lock nut there is a o-ring, the last two times I went to take the drum off the o-ring got caught in the spines and made the drum removal impossible.

    Solution push the brake drum back in and fish the o-ring out. There spray some liquid wrench on the spines let is sit a few mintes and try it again.

  3. #3
    Join Date
    May 2002
    Location
    Dublin, Georgia
    --
    635

    Like he said

    Use the liquid wrench, if it still resists you can use a leather mallet and some more liquid wrench. The mallet will help brake up the rust and let liquid wrench get all the way in and do its job.
    84 ATC200X--Wife rode it once, now I can't get it back.
    84 ATC250R--Trying to find piston for 300R kit.
    85 ATC350X--Project finally under way, slow progress. For pics: http://groups.msn.com/ATCfriends/350xproject.msnw
    84 ATC200S--Freebie from a neighbor, needs topend rebuild and tires.

  4. #4
    Join Date
    Aug 2003
    --
    22
    Yeah I pulled the Oring out too. I can't find my liquid wrench, so I'm using WD-40. Not as good, I guess I'll have to find that Liquid Wrench, still stuck fast.
    1984 ATC125M. Will it run? We'll see!

  5. #5
    Join Date
    Aug 2003
    --
    22
    Well, I beat on it, applied Liquid Wrench, beat on it some more....

    I ended up taking out the entire rear assembly, and leaning it up and filling the small void btw the drum and axle with Liquid Wrench to set overnight. Everytime I go fill up the wood stove I'll squirt some more in and tap it. There's just no positive way to exert force on that w/o some type of long gear puller. Maybe I'll go to AutoZone and try theirs out.\

    You know, if that doesn't work I'm putting the axle in my standup freezer overnight. Then I'm going to heat the drum up and see if that works. I know I shouldn't apply heat to the axle, it will ruin it, but I should be able to get away with it if the axle is good and cold and I heat the drum real fast.

    Just jotting down notes to myself here at this point....
    1984 ATC125M. Will it run? We'll see!

  6. #6
    Howdy's Avatar
    Howdy is offline Putting Priorities in Order, Busier than ever. Catch me if you can
    Join Date
    Sep 2002
    Location
    Celina, Ohio
    --
    10,079
    What I do here is to beat the axle through the housing. I have a special heavy duty tool made that just fits over the hub splines. It seats on the part where the hub stops. A few good blows with the BFH and the drums come loose. I normally do this while it's in the machine. You will have to be sure the chain and chain cover is off though. Other wise it will bend things up.
    Howdy

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