Bombardier SeaDoo 1997 factory shop manual, Page 19Get this manual
Section 01 MAINTENANCE Sub-Section 05 (STORAGE)
STORAGE
Engine Draining
Check engine drain hoseMake 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 necessaryXP and HX Models
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
All Models Except XP and HX
F05J04A
TYPICAL 1Engine drain hose