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|  Spark plug M211 
			
			What are the modern champion #s for the M211 m135 Jeff | 
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			If I recall it is XMJ-14 (cold) or XMJ-17 (hot), and if you use modern autolite it is 2243 (cold) or 2245 (hot). Apparently the XMJ numbers have now been replaced with new numbers: Champion 514 (cold) and Champion 517 (hot). | 
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