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ncw750Sat Jun-26-10 01:35 PM
Member since Jun 26th 2010
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"what tools for cylinder head removal"
Sat Jun-26-10 02:51 PM by ncw750

          

I was looking to buy some tools for my Norton and I am finding several types of British standard, BSW BSF
Does anyone know the sizes needed for head and cylinder removal?
Places to buy them?

  

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dynodaveWed Jun-30-10 08:35 AM
Member since Mar 18th 2009
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#1. "RE: what tools for cylinder head removal"
In response to Reply # 0


  

          

On a norton twin the tools vary slightly depending on what year you are working on.
Second it depends on the amount of butchery to the hardware that has been done.

  

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johnandnzThu Jul-01-10 05:56 PM
Member since Mar 18th 2009
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#2. "RE: what tools for cylinder head removal"
In response to Reply # 1
Thu Jul-01-10 05:57 PM by johnandnz

  

          

Yes Dave is right - tools depend on age of bike.

Generally the older bikes pre Commando are whitworth and the Commandos AF.

But the cylinder head nuts and barrel base nuts are hard to get at and are often bodged. You need to get slim sockets and extenders to get down to the cylinder nuts. (Koken ? make a good slim socket) The cylinder head nut at the back which is reached from below also needs a slim ring/open end spanner.

If you have no success in the US, British spares in NZ currently have suitable whitworth sockets and ring open end spanners in stock. (A week ago anyway!) They mail order into the US all the time.

John

  

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johnandnzThu Jul-01-10 06:00 PM
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#3. "RE: what tools for cylinder head removal"
In response to Reply # 2


  

          


Koken sockets. I use these and they are good.

http://thetoolnetwork.com/koken_34_05w_whitworth_sockets.html

  

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waynelkFri Jul-23-10 06:38 PM
Member since Jun 26th 2010
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#4. "RE: what tools for cylinder head removal"
In response to Reply # 3


  

          

Most British sizes match up to American sizes or metric. Example is I use a 6 point Snap-on 1/2 x 9/16 box wrench for the nut in the back of the cylinder head (Which is the hardest nut to remove) The walls on the snap-on wrench are thin enough to get in the tight space. 6 point deep well metric and american for the rest. But I am the only one who ever took my 1973 850 Norton apart so the bolts have not been butchered. I have had my Norton down to a pile of nuts and bolts several times and don't own any British wrenches or sockets. Would be nice to have some though. Keep in mind also that most british bolts match up to the fine thread (SAE) American bolts. Something like they go by 10's where we go by 12's I seem to remember. (Maybe that was metric) Good luck with your head removal.

  

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