The most common Spirit 1.0 Evo installation mistake happens before the box is even opened. It's a shaft length decision most buyers make on instinct, and many get wrong. A shaft that's too short ventilates under load and loses thrust. Too long and it adds unnecessary drag. The window between these two problems is narrower than it looks on a specification table, and the measurement that determines it is simpler than most people expect. This guide covers the complete installation process for the epropulsion Spirit 1.0 Evo on small boats, in the order that actually matters, including the steps most installation videos skip entirely. Read our blog here: https://emoelectric.co/blogs/epropulsion/epropulsion-spirit-1-0-evo-installation-guide-for-small-boats