käynnistyvyys
Käynnistyvyys refers to the ease with which an engine starts. This is a crucial characteristic for any internal combustion engine, especially in automotive and small engine applications. Good käynnistyvyys means the engine reliably fires up and begins running smoothly with minimal effort from the starter or user. Conversely, poor käynnistyvyys indicates difficulty in starting, often requiring prolonged cranking or multiple attempts.
Several factors contribute to an engine's käynnistyvyys. These include the quality of the spark ignition (for