Bombardier SeaDoo 2000 factory shop manual volume 2, Page 184Get this manual
Section 06 COOLING SYSTEM Subsection 02 (CIRCUIT, COMPONENTS AND CARE)
Towing the Watercraft in Water
Special precautions should be taken when towing Sea-Doo watercraft in waterMaximum recommended towing speed is 24 kmh (15 MPH)When towing your watercraft in water, pinch the water supply hose from the jet pump housing to the engine with large Hose Pincher (PN 529 030 400)
CAUTION: Failure to do this may result in damage to the engineIf you must tow stranded watercraft in water and do not have hose pincher be sure to stay well below the maximum towing speed of 24 kmh (15 MPH)Snugly install the hose pincher on the water supply hose as shown in the following illustration