Bombardier SeaDoo 1998 factory shop manual, Page 39Get this manual
Section 02 MAINTENANCE Subsection 05 (STORAGE)
STORAGE
Engine Draining
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 leave the engineClean hose and fitting as necessaryCooling System Flushing and Engine Internal Lubrication
Cooling system has to be flushed with fresh water to prevent salt, sand or dirt accumulation which will clog water passagesEngine must be lubricated to prevent corrosion on internal partsFor proper procedure, refer to FLUSHING AND LUBRICATION 02-03-
CAUTION
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 obstructions
Propulsion System
JET PUMP Lubricant in impeller shaft reservoir should be drainedReservoir should be cleaned and refilled with SEA-DOO synthetic 75W90 GL5 polyolester oilRefer to JET PUMP 09-02 for proper procedurePTO FLYWHEEL