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The piston ring gaps for a C240 engine typically range from 0.20 to 0.50 mm for the top ring and slightly larger for the second ring, around 0.40 to 0.80 mm, depending on specific engine conditions. It's essential to consult the manufacturer's specifications or service manual for the exact measurements, as variations can occur based on engine design and application. Proper gap settings are crucial for optimal engine performance and preventing issues like oil consumption and blow-by.

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3w ago

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