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In our in-depth technical study (see "Technique | The dark enemy of two-stroke kart engines: "aging" (which damages them even with proper maintenance"), we focused on the concept of "aging," a term we adopted to define a progressive change in the engine's condition, distinct from wear and tear and not necessarily related to its operating hours or the periodic maintenance it undergoes at predefined intervals.
Now the focus shifts to less theoretical and decidedly more practical questions: where does this change actually come from? What are the factors that influence it over time? The most common mistake is to think that aging is almost exclusively related to scheduled overhauls and maintenance, neglecting everything that happens between one intervention and the next. In reality, we know that the engine is continuously subjected to a variety of different conditions (thermal cycles, use in wet conditions, post-track cleaning, etc.) that modify its condition, often gradually and difficult to immediately perceive. It is precisely these changes in state that determine aging more than many other aspects. So, let's analyze the main operating conditions/situations that every kart driver normally faces while using their kart engine, to define their potential impact on its preservation/aging over time. The goal is not to identify a single cause, but to understand how a series of seemingly ordinary, often underestimated, conditions can actually contribute to progressively altering the state of the "engine system" and therefore its functioning.