LockedHow-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics)

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2008/01/28 17:34:52 (permalink)

How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics)

TRX300 owners know how difficult it can be to remove the rear axle nuts, especially if they’ve never been removed before. There are two of these nuts on each side of the axle and they are often frozen to the axle, making them very difficult to take off. Rancher 420 owners have not experienced this problem yet as the bikes are still too new, but wait a few years and the axle nuts will be a nightmare to break loose. A large open-end or adjustable wrench does not provide enough torque to remove seized axle nuts and those wrenches can round off the nuts, making them even more difficult to remove. The solution is to build a long socket that fits over the axle to allow the use of a large breaker bar, or better yet, an air impact wrench.


 
Here are close-up pics of the nuts in question. These are from a TRX300 but the Rancher 420 setup is very similar.





 

 
To build your axle-nut socket, get yourself a 41mm impact socket and use a chop saw to cut it in half. Next, find yourself a length of pipe and weld both parts of the cut socket onto the pipe, one on each end of the pipe. Grind the welds, paint the modified socket, and you’re in business. The total length of the socket should be aproximately 12 inches. Here’s what it should look like (the lines show where the cut socket was welded to the pipe).



 

 
Here is the drive end of the socket.


 

 
This is the business end of the socket. Just remove the ATV’s hub, slip your new socket over the axle, and easily remove those stubborn axle nuts in a matter of seconds. It works incredibly well. It also makes rear brake maintenance a breeze as the right side axle nuts must be removed to access the rear brake assembly on the TRX300 and Rancher 420. If you don’t have the welding skills or equipment to fabricate this socket, ask a friend or family member who does. It is well worth it.


#1

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    gmcz71
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    RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2008/01/28 17:44:03 (permalink)
    YES, those bolts are **** to get off the siezed old 300!
     
    Thanks for the tip!
    #2
    Steve07
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    RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2008/01/30 23:27:14 (permalink)
    Please put this in the sticky section. I have rounded off so many axle-nuts that I slapped myself when I saw this. Seems so easy it should have hit me before. Excellent idea Dynamo.

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    #3
    myk
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    RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2008/01/31 00:00:37 (permalink)
    excellent tech!

    an air hammer also works great too.
    #4
    rancher12
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    RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2008/01/31 01:19:34 (permalink)
    a large pipe wrench will also do the trick 

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    #5
    MuddnMason
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    RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2008/01/31 06:23:42 (permalink)
    ORIGINAL: Steve07

    Please put this in the sticky section.


    Done. Remember guys, I may miss a thread like this, so please PM me and send a link to the thread.

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    This message is posted "as is" and confers no rights. All opinions expressed are personal and do not represent those of Highlifter Inc.
    #6
    foreman400x
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    Re: RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/06/28 15:41:01 (permalink)
    what size is the axle hub nut on a the rear of a honda 400 foreman

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    #7
    rancherMAN420
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    Re: RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/06/28 16:58:36 (permalink)
    ^^^a 400 foreman doesnt have a axle nut like shown above

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    gmcz71
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    Re: RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/06/28 17:04:19 (permalink)
    but I think its hub nut will be either be 15/16 or 7/8" not sure
    #9
    foreman400x
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    Re: RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/06/28 17:06:41 (permalink)
    its bigger than that..ive tried both its over 1"

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    #10
    rancherMAN420
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    Re: RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/06/28 17:12:40 (permalink)
    i just finished takin the rearend of a 400 apart  but cant remember wat size the hub nut was 4 nothin one was froze up the impact wouldnt take it off had to get a grinder and cut it

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    350rancherboy
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    Re: RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/06/28 20:51:48 (permalink)
    mech. in town did that..good idea..i just bought a big wrench lol good tip i need to make one.... 41mm huh..weres a good place to get the socket?


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    #12
    tacoma_2002
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    Re: RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/06/28 21:12:24 (permalink)
    1 1/16th IIRC

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    foreman400x
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    Re: RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/06/28 21:28:05 (permalink)
    i found it its a 20 mm

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    #14
    countryboytew
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    Re: RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/06/28 21:34:56 (permalink)
    u can also heat them with a tourch it will make the nut exspand and make it easy to get off ( dont burn them off just heat)

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    Re: RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/06/29 07:54:18 (permalink)
    "a large pipe wrench will also do the trick"

    That's what I use.  Of course the nuts don't look so mint when I get done either!

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    bryanmach1
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    Re: RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/06/29 08:05:33 (permalink)
    Thanks for the tip.  When you see a trick this simple that can make a difficult job easier you just want to slap yourself for not thinking or it yourself.  I have a whole drawer in my box full of custom home made/modified tools just like this....


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    stilltippin863
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    Re: RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/07/02 21:42:01 (permalink)
    do you break the outside one loose first or do both at same time?

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    stilltippin863
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    Re: RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/07/03 10:48:34 (permalink)
    stilltippin863

    do you break the outside one loose first or do both at same time?


    i got it all of and new brakes on now i just can not get the drum back on what do i have to do to get thbe drum to fit?

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    XLCat
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    Re: RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/07/03 15:20:09 (permalink)
    Break the outside separately.  The purpose of two nuts is to preload the threads (locks the nuts on) by jamming them together.  So if you spin them both off together, it's harder, and you'll be roughing up the threads most likely.

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    Bama Trail Rider
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    Re: RE: How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/07/05 08:42:34 (permalink)
    Great idea thanks for the info!

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    Re:How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/07/11 08:03:27 (permalink)
    Are these axle nuts right hand thread or left hand thread?
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    chrisb76
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    Re:How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/07/11 14:37:20 (permalink)
    man a 20mm is smaller than a 7/8 or 15/16.thought foreman400x said he tried a 1'' and it was too small so are you sure its a 200mm.i always use a pipe wrench,but this idea is much better,but the 41mmsocket will cost you $25-$30

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    moss420
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    Re:How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/07/11 17:41:24 (permalink)
    A torch works fine on the 420's to get the nut's off. You need to burn the Loctite off to get the nuts to move easy. Just make sure that you put some RED Loctite back on the threads when you put them back because THEY WILL COME LOOSE, causing the plate that seals off the diff. to come loose and letting water and mud/grit in the diff.

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    Down.South.Ga.Boy
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    Re:How-to #2: Removing stubborn rear axle nuts from your TRX 300/420 (with pics) 2009/07/11 22:07:46 (permalink)
    4 foot long monkey wrench works good.. just make sure you dont strip them out haha!

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