This is an interesting forum. I have a Norton Commando 1975-77 model.I dont know how to identify if it is Interstate, Roadster or something else. And I shall be glad to know the sizes of standard bore, Piston & Ring sizes and how far can the cylinders be rebored again with its piston & ring sizes.And if Sleeving the bore to standard size is ok on a Norton? The Self-Starter works fine but for a day or two when the battery is fully charged! What should be the Alternator input current reading to keep it always working. Sorry to bother and shall appreciate kind help please.
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