cylinder interchangability???

Joined
Jan 13, 2006
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Just noticed a crack on the right bore on my cylinders. I am doing a rebuild. Anyway I need new cylinders. My bike is a '71, 750 commando and I was wondering if other year cylinders would fit, if so which years? All the pictures I've seen on ebay look very similar, but the devil is in the details. :D
 

Ron L

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Feb 27, 2004
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Any year 750 Commando cylinders will fit. 750 Atlas/N15/P11 cylinders will also fit, but you need to drill and tap the 5/16-26 head bolt holes to 3/8-26. 850 Cylinders will not fit without enlarging the case opening.
 
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