Bombardier SeaDoo 1992 factory shop manual, Page 231Get this manual
Section STORAGE 1
STORAGE
STORAGE
It is during winter or when the watercraft is not to be in use for prolonged time that proper storage is necessity Storage during long periods of inactivity consists of checking and replacing missing, broken or worn parts and protecting cooling system against freezing and corrosion Proper lubrication and treatment should be performed to insure that parts do not become corroded and in general, preparing the watercraft so that when the time comes to use it again, it will be in top condition
Fuel System
A fuel stabilizer, such as Sta-Bil equivalent), can be (or added in fuel tank to prevent fuel deterioration and carburetor() gummingFollow rnanufacturer's instructions for proper use