if you really want it take a pocket full of pound notes to london and go and have a look and a listen, taht way theres no risk.
if you are gonna be spending 2k on aftermarket kit surely you are going to take the engine apart anyway, would be a shame to spend all that making it look the dogs to find out one of the bores are scrap...
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MC21SP - Roth-tax
CBR400 - track
MC21R - sold
MC21SP - sold