| cylinders to minimize the chance of bore flex The difference between 87.5mm and 88mm is a whopping .034 liters The difference between 87.5mm and 89mm is .103 liters Not worth the potential tradeoff in cylinder wall integrity IMHO, considering how thin the bores are. I've measured as thin as .120" cylinder wall thickness...a 89mm piston will remove another .040" from that...
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