So I put new pistons in my bike after doing a re-nikasil job on one of the cylinders, because the exhaust bridge cracked. There is no more than 50 miles on these new pistons and one of them is showing huge signs of wear. is this common or is there something wrong? This is the smallest bore piston and it is of course oem. there is also a bit of wear under the piston ring, not sure if it shows in the photo. any ideas lads?
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John 3:7