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Cracked exhaust bridge

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Picked up a pretty clean 02 cr 250 and noticed a small crack in the exhaust bridge when doing the top end. How do I go about fixing this? Thanks!

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send it off to to get replated....ive had two cylinders with the same problem with my 02....seems to be a common problem with these bikes....

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Pretty common with these especially when ran lean. Mine was fixed and replated. It runs great and I will have to see how she holds up when I do my top end again after this summer. heres my before and after where the piston broke from expanding and catching the port. Millennium did a great job and I will have a longevity report as I go.

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