Bombardier SeaDoo 1989 factory shop manual, Page 144Get this manual
Section 11 STORAGE Raise all hoses above the highest point of tuned pipe and temporarily tie them togetherInsert funnel into inlet hose going to the water inlet socket at enginePour about liters (112 gal) of 5050 antifreezeldistilled water solution through the funnelClean the bilge with hot water and detergent or with bilge cleanerRinse thoroughlyWash the body with soap and water solution (only use mild detergent)Rinse thoroughly with fresh waterRemove marine organisms from the hullApply nonabrasive wax such as silicon waxProtect the seat with vinyl protectant such as Armor All or the equivalent
Water inlet hose going to engine
Hold hoses higher
CAUTIONNever clean apparent fiberglass and plastic parts with strong detergent, degreasing agent, paint thinner, acetone etcIf the watercraft is to be stored outside, cover it with an opaque tarpaulin