What type of damage should be inspected on an engine that has been in storage?

When an engine has been in storage, one of the primary concerns is corrosion damage. This is particularly significant because, in a damp or humid environment, moisture can accumulate and lead to corrosion on various engine components. Corrosion can affect critical areas such as the cylinder walls, bearings, and other metal parts, which can compromise the integrity and performance of the engine once it is brought back into service.

Corrosion can occur even if the engine appears to be in good condition externally, as it can develop within hidden or less accessible areas. Regular inspections of a stored engine should include checks for signs of rust, pitting, or other forms of corrosion. Addressing any corrosion damage is crucial before returning the engine to operation to ensure reliability and safety.

Other types of damage, such as electrical failures, fuel contamination, or mechanical wear, may also be concerns but are typically less immediate when an engine has been in storage. They can arise based on different conditions or use patterns rather than the mere act of storage itself. Focusing on corrosion allows for proactive measures to prevent long-term damage before the engine is put back into service.