Which risk increases when excessive cylinder bore polishing is applied during engine rebuilding, impacting piston rings?

💡 Explanation

When extensive bore polishing occurs, the plateau honing process is compromised because the resulting smooth surface interferes with proper piston ring seating and oil film retention, leading to increased oil consumption due to oil seeping past the rings. Therefore oil consumption rises, rather than detonation, overheating, or bearing failure which originates from other engine faults.

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