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Steering Stem Nut

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G-Man
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Joined: Wed Mar 25, 2009 5:17 pm
Location: Derby, UK
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Post by G-Man » Sat Jul 19, 2014 3:51 pm

I have a big Bahco adjustable wrench with slim jaws. It doesn't usually take much to undo that nut. I have a couple of nuts that someone used a hammer and chisel on. I wouldn't recommend that..... :-)

http://www.ebay.co.uk/itm/Bahco-8-Slim- ... 231ef7a00a


G
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

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PhilD
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Joined: Thu Apr 03, 2014 3:53 pm
Location: Leeds,UK

Steering Stem Nut

Post by PhilD » Sun Jul 20, 2014 4:52 pm

A 35mm socket fits fine and this size is cheap and readily available ( I got mine on Amazon ) I think its a standard car wheel nut size.
I got a real shock when I tried to remove the steering stem nut recently to restore my CB77. In the past I'd always used a large adjustable spanner to remove it as it doesn't have to be particularly tight. Mine just wouldn't move ( It had been standing in a garage for 30 years ) and fork disassembly came to a halt. I tried heat without effect. Since it's a sleeve nut when in place it's difficult to get access to apply penetrating oil so I plugged the opening for the steering damper, turned the forks upside down and filled the steering stem with penetrating oil from the bottom. Still wouldn't move after a week. Then I found a large ring spanner which was the right size and applied "impact torque" ( a large hammer! ), result destroyed spanner, nut unmoved. Then I bought the 35mm socket which I attached to a breezer bar I had for removing tight car wheel nuts, still no joy. Next up was a longer (75mm) breezer bar with plans for the addition of a scaffold pole. Thankfully the larger breezer bar did the trick. I think I remember LM posting once "if it's stuck you just need a bigger spanner! "
Good Luck
PhilD
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User avatar
G-Man
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Posts: 5678
Joined: Wed Mar 25, 2009 5:17 pm
Location: Derby, UK
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Post by G-Man » Sun Jul 20, 2014 5:10 pm

Wow!

What did you use to hold the bike / forks when you used that?

G
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

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PhilD
honda305.com Member
Posts: 83
Joined: Thu Apr 03, 2014 3:53 pm
Location: Leeds,UK

Steering stem nut

Post by PhilD » Mon Jul 21, 2014 7:26 am

My 16 stone offspring ( son ), every good toolbox should have one.

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G-Man
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Joined: Wed Mar 25, 2009 5:17 pm
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Post by G-Man » Fri Jul 25, 2014 11:34 am

LOL .... :-)

Mine's a willowy 6ft 2" No use at all......

G
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

deafanddiabetic
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Joined: Thu Jun 19, 2014 6:04 pm
Location: Nebraska

Post by deafanddiabetic » Wed Jul 30, 2014 4:35 pm

Just wanted to throw my two cents in since I battled that nut for several weeks. Another member told me that #4 Steering Lock Nut on the parts diagram needs to be held tight and turned right as you're wrenching left on the top nut. I just used a crescent wrench and channel lock pliers on the lower nut. Came off with ease!

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