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CG125 Rear Axle Nut

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veeeffarr
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PostPosted: 11:00 - 20 Mar 2006    Post subject: CG125 Rear Axle Nut Reply with quote

Finally got round to buying a 22mm Spanner (Halfords Pro, £7... Fuckers, thanks Nath!) but having problems loosening rear axle nut.

I don't know how they managed to do it when they installed my C&S but it must be either seized or torqued up quite tight.

Should I be doing this job with a spanner? I can't see how a torque wrench would even go there without removing the exhaust anyhow.

I've got WD40 or Teflon spray lube, someone tell me that using one of these to loosen the nut is a good idea.
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finpos
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PostPosted: 11:32 - 20 Mar 2006    Post subject: Reply with quote

First, check if it's a castellated nut with a pin. If it is, take the pin out!

If it's just a normal nut, then it's probably just been done up F.T. Use the ring end of the spanner (you got a ring spanner, didn't you?) and pull very hard. If you're really stuck, put the spanner on so it's pointing out to the back of the bike and stand on the free end.

You'll probably find the bolt starts spinning and you'll need another spanner for the other side.

There's no harm trying the lube stuff, but I suspect it's just on tight.

good luck etc.

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veeeffarr
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PostPosted: 11:36 - 20 Mar 2006    Post subject: Reply with quote

I'll have another look to see if there's a clip.

Yeah, it's a 12 point ring spanner... Was fucking expensive for a spanner... But I don't buy shit... Lol.
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finpos
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PostPosted: 11:47 - 20 Mar 2006    Post subject: Reply with quote

Get ye to a proper tool shop and see how much a single britool spanner would have cost...

Halfords professional range really are very good for the money, especially with the lifetime guarentee. Always be on the lookout for when they are doing a set at a discount.

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veeeffarr
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PostPosted: 11:55 - 20 Mar 2006    Post subject: Reply with quote

just need pro 6 point sockets now, but the standard ones are a good stopgap.
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stinkwheel
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PostPosted: 12:30 - 20 Mar 2006    Post subject: Re: CG125 Rear Axle Nut Reply with quote

Toby R wrote:


Should I be doing this job with a spanner? I can't see how a torque wrench would even go there without removing the exhaust anyhow.


You shouldn't use a torque wrench for taking stuff off anyway, that's what breaker bars are for.

I tend to put them back on as tight as I think I will be able to get it back off again using the bike tool kit (well, actually my very handy spanner which is 19mm one end and 22mm the other).

You sometimes do have to drop the exhaust down to get on it. On bikes with twin exhausts, you have to drop an exhaust anyway to allow you to get the wheel spindle out.

Being a castellated nut, there is no way it can actually come off once you put the pin in.
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syl
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PostPosted: 13:58 - 20 Mar 2006    Post subject: Re: CG125 Rear Axle Nut Reply with quote

Toby R wrote:
Finally got round to buying a 22mm Spanner (Halfords Pro, £7... Fuckers, thanks Nath!) but having problems loosening rear axle nut.

I don't know how they managed to do it when they installed my C&S but it must be either seized or torqued up quite tight.

Should I be doing this job with a spanner? I can't see how a torque wrench would even go there without removing the exhaust anyhow.


The torque wrench is best left alone for for putting things on, don't use it to take them off.

Rather than buying spanners for the job, get yourself a decent socket set (Halfords pro are good, the bigger ones include spanners too) but you may even need more leverage, which is where a breaker bar (an extra long wrench, usually with 1/2" drive) comes in handy.
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Last edited by syl on 23:03 - 20 Mar 2006; edited 1 time in total
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veeeffarr
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PostPosted: 14:00 - 20 Mar 2006    Post subject: Reply with quote

Sorry, I didn't mean to ask if I should use a Torque Wrench to take them off, I meant in general.

I have sockets, but not one big enough, and to use a socket would require dropping the exhaust.
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NSR Mick
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PostPosted: 14:01 - 20 Mar 2006    Post subject: Re: CG125 Rear Axle Nut Reply with quote

Toby R wrote:
£7... Fuckers.


Thats peanuts for a spanner of that size. Thumbs Up
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veeeffarr
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PostPosted: 14:03 - 20 Mar 2006    Post subject: Re: CG125 Rear Axle Nut Reply with quote

gsxrmick wrote:
Toby R wrote:
£7... Fuckers.


Thats peanuts for a spanner of that size. Thumbs Up


Sweet, it's a good 'un too, strong as fook.
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Mark_petty
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PostPosted: 14:18 - 20 Mar 2006    Post subject: Reply with quote

My sump bolt was a bitch to get off I had to use a breaker bar to loosen it. It took me ages and after a load of bruises, cuts and swearing it came free Mr. Green
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veeeffarr
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PostPosted: 14:29 - 20 Mar 2006    Post subject: Reply with quote

Well the spanner is over 12" long so hopefully I won't need to buy a breaker bar Sad
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Nath
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PostPosted: 19:56 - 20 Mar 2006    Post subject: Reply with quote

I'm not totally sure, but I seem to remember there not being enough room to use a socket+ratchet on my CG125 (due to the exhaust silencer).

Use your foot, as finpos says. Spray some wd40 on the nut just to be sure, put the spanner on carefully and square, then give it a good kick.
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veeeffarr
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PostPosted: 19:59 - 20 Mar 2006    Post subject: Reply with quote

Nath wrote:
I'm not totally sure, but I seem to remember there not being enough room to use a socket+ratchet on my CG125 (due to the exhaust silencer).

Use your foot, as finpos says. Spray some wd40 on the nut just to be sure, put the spanner on carefully and square, then give it a good kick.


There's no clip on the nut is there? I can't see one, but I haven't looked closely yet!
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Nath
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PostPosted: 20:06 - 20 Mar 2006    Post subject: Reply with quote

As I recall, there was no split pin on my wheel spindle, which I did think was a bit dodgy (make sure you do the nut back up tight!).
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veeeffarr
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PostPosted: 20:08 - 20 Mar 2006    Post subject: Reply with quote

Nath wrote:
As I recall, there was no split pin on my wheel spindle, which I did think was a bit dodgy (make sure you do the nut back up tight!).


Should I teflon lube the thread as well?
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bish777
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PostPosted: 20:27 - 20 Mar 2006    Post subject: Reply with quote

soak the bugger in WD40 and beat the hell out of it with a rubber faced mallet. Tehn attack it with the spanner.
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Redd
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PostPosted: 21:48 - 20 Mar 2006    Post subject: Reply with quote

Taking my rear tyre off last weekend we discovered the rear axle was seized solid. Sockets, spanners, huge spanners with pipes on the end, and finally 45 minutes with a blowtorch, a hammer, and WD40 for special effects. Made sure it was all cleaned up and greased before it went back in.
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veeeffarr
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PostPosted: 23:22 - 20 Mar 2006    Post subject: Reply with quote

Done now.

Bolt was fine... There's about 15mm free play (As recommended by the instructions on the chain guard)

Had to give the fucker a clean didn't I... only just finished now (started at 8)
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