I'm storing my track bike, a first gen SV650, over the winter. The coolant is distilled water and Water Wetter. The storage is heated, but I'd just as soon not worry about their losing power or whatever. This is coastal Maine, it'll be below freezing for a couple weeks at a time.
So: Would it be safe just to drain the coolant and store it that way, or should I replace it with antifreeze? It might be nice to save myself the trouble of flushing it in the spring, if there's zero chance it'll do do my bike any harm.