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barracudaThu Oct-12-06 08:02 PM

  
"tool to remove head gasket bolt"


  

          

i blew the head gasket on my 72 norton fastback. i have been able to remove all but one of the bolts- the back one that is upside down at the rear of the engine. any ideas as to how to get it off- nothing fits- all the others are 9/16ths. any ideas are greatly appreciated. my bike is just sitting. stephen

  

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Rich PFri Oct-13-06 03:07 PM
Member since Mar 18th 2009
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#1. "RE: tool to remove head gasket bolt"
In response to Reply # 0


  

          

It's 1/4" whitworth and you need a fairly small ring spanner (wrench) to get on to it. I've never tried using an alternative but I think it's one of those whit. sizes that doesn't have an equivalent in Unified or metric.

3/16" and 1/4" whitworth combinations as well as a small (3/8" drive) 1/4" whit. socket are really a minimum for working on the Commando Top end.

  

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Norton Commando Oil Change