Bombardier SeaDoo 1990 factory shop manual, Page 175Get this manual
Section STORAGE 1
COOLING SYSTEM FLUSHING AND ENGINE INTERNAL LUBRICATION
Cooling system has to be flushed with fresh water to prevent sallt, sand or dirt accumulation which might clog water passages This will be achieved with the flush kit295 000 038) Engine must be lubricated to prevent corrosion on internal parts This will be achieved by spraying some SEA-DO0 LUBE293 600 006) through air intake opening Flushing and lubrication will be done at the same time while engine is running
CAUTIONWhen engine begins run irregularly because of fuel starvation, immediately stop water flow before engine diesSevere engine damage could result ifnot done in this order
Spray some SEA-DO0 LUBE through air intake opening, keeping engine at fast idle Lubrication of engine should be done at least for one minute After approximately half minute, close fuel tank valve to run engine out of fuel while lubricating
WARNINGPerform this operation in we111 ventilated area