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Piston Ring Scuffing

Ring scuffing leads to ring face wear, which results in ring face damage and a loss of ring control. This causes high base pressure, oil consumption and possible piston scoring, due to the abrasive materials created by the ring scuffing condition. This can cause piston seizure if not addressed.

Piston Ring Scuffing

Probable Causes

  • Fuel wash-down
  • Debris ingestion
  • Severe overloading during running period
  • Lack of lubrication
  • Overheating due to pre ignition
  • Lean mixture
  • Cooling defect  


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