How to winterize a 2 stroke jet ski the right way

Learning how to winterize a 2 stroke jet ski is one of those chores that every owner dreads, but it's honestly the only way to make sure your ski actually starts up when the weather gets warm again. If you've ever spent a beautiful Saturday morning in May swearing at a seized engine or a gummed-up carburetor, you already know that an hour of work in November is worth its weight in gold. 2-stroke engines are a bit of a different beast compared to modern 4-strokes; they're simpler in some ways but way more sensitive to sitting idle for months at a time. ...

May 2, 2026 · 7 min · Tufino Juha