Bombardier SeaDoo 1989 factory shop manual, Page 142Get this manual
Section STORAGE 1
During winter or when the watercraft is not to be in use for prolonged time, proper storage is necessityStorage during long period of inactivity consists of checking and replacing missing, broken or worn parts and protecting cooling system against freezing (where applicable) and or corrosionProper lubrication and treatment should be performed to insure that parts do not become corroded
PROPULSION SYSTEM
Lubricant in impeller shaft reservoirShould be drained1 and reservoir cleanedRefill with SEA-DO0 JET PUMP SYNTHETIC OIIL293 600 011) onlyCAUTIONThis is synthetic oilDo not mix with mineral based oilLubricate drive shaft splines through grease fitting at flywheel endCAUTIONDo not lubricate excessivelyImmediately stop when slight movement is noticed on rubber boot
ENGINE DRAINING
Check engine drain tube from engine water inlet socket to exhaust outlet socketMake sure there is no sand or obstructions so that water can leave the engineClean tube as necessary