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Amos StithamSat Sep-30-06 11:19 PM

  
"Motor ID"


  

          

I have an older Norton motor I can't seem to identify. It has a positive BIRCO stamp and a positive serial #24237 at the base of the jug. It also has an ID stamp N15CS/110754 on the bottom end. I was told it is either a 650 or 750 commando. Any Help would be appreciated!!!

  

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Rich PSun Oct-01-06 09:28 AM
Member since Mar 18th 2009
21 posts
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#1. "RE: Motor ID"
In response to Reply # 0


  

          

Birco was the company that made the cylinder casting so little information there. However, all the information that you need is in the crankcase number. The N15CS was a "Hybrid" built using the Atlas 750 motor in a Matchless G12 type chassis (The Matchless version was the G-15CS) Approx 5000 were made between 1963 - 1967. Your number sounds to be from 1964 - 110774 was the last one made that year. I have taken this information from the 1994 Norton Owners Club calendar, an article written by Paul Morin which goes into great detail on all the AMC hybrid models. I hope this helps, Rich.

  

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Amos StithamTue Oct-03-06 12:11 AM

  
#2. "RE: Motor ID"
In response to Reply # 1


  

          

Thank You Rich, That's a great place for me to start. Amos

  

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