3mm Stroker on an 06 450

Has anyone ran a 3mm stroker with a stock bore? Just got a bike in that was listed as a 502cc. Has 3mm stroker crank with a 97.54 bore, 12.5-1 HC Piston. Piston is cracked on the skirt and the cylinder has a crack from top to bottom. Bike came in overheating with water in the oil. Customer wants to go back with a stock cylinder. Is this feasible with the 3mill crank? Any input would be appreciated.

Yes, it's feasible.

Thank you v

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