Bombardier SeaDoo 2001 factory shop manual, Page 48Get this manual
Section 02 MAINTENANCE Subsection 05 (STORAGE)
STORAGE
ENGINE DRAINING
All Carburetor-Equipped Engines Check engine drain hose (lowest hose of engine)Make sure there is no sand or other particles in it and that it is not obstructed so that water can exit the engineClean hose and fitting as necessaryCAUTION: Water in engine drain hose must be free to flow out, otherwise water could be trapped in engineShould water freeze in engine, severe damage will occurCheck engine drain hose for obstructionsF07E05A
1Disconnect this hose
Water should flow out of the fitting (magneto cooling circuit) and hose (crankcase heat exchanger)Push and hold hose against bilge so that draining can take place