Bombardier SeaDoo 2000 factory shop manual volume 1, Page 171Get this manual
Subsection 02
Section 05 COOLING SYSTEM (CIRCUIT, COMPONENTS AND CARE)
Water Flow Regulator Valve
A water flow regulator valve is mounted on models with the 787 RFI and 947 engines so that they can produce the maximum horsepower output and yet maintain the necessary diameter of the injection fitting at the tuned pipe head for unobstructed water flowThe water flow regulator valve no4 is mounted directly onto the muffler2 1
F01E2BA
LOW SPEED OPERATION 1Water entering regulator valve 2Water exiting regulator valve (less restriction) 3Water injected in the muffler
F01E1FA
TYPICAL 1Water supply hose of regulator valve 2Regulated water to injection fitting 3Water injected into the muffler