Bombardier SeaDoo 1999 factory shop manual, Page 44Get this manual
Section 02 MAINTENANCE Subsection 04 (WATER-FLOODED ENGINE)
787 and 787 RFI Engines Remove the filler plug of the counterbalance shaft on the engine crankcase
All Models Except GSX RFI and GTX RFI Turn fuel valve to ON positionStart engine; It may be necessary to use the chokeIf engine does not start, repeat previous steps as necessaryGSX RFI and GTX RFI Models Start engine according to normal starting procedure-
CAUTION
To avoid starting motor overheating, the cranking period should not exceed 5-10 seconds and rest period of 30 seconds should be observed between cranking cyclesF07D06A
787 ENGINE 1Remove filler plug
Insert wire through oil filler hole to check oil conditionA whitish oil indicates water contamination and must be replacedIn order to replace the oil, remove the drain plug of the counterbalance shaft located on the PTO side of the lower crankcase