Bombardier SeaDoo 2001 factory shop manual, Page 291Get this manual
Subsection 02
Section 07 COOLING SYSTEM (CIRCUIT, COMPONENTS AND CARE)
Adjustment The water flow regulator valve has been calibrated at the factory and should not be modifiedNOTE: Water flow regulator valves ordered from the parts channel are also calibratedThe valve cap on the DI models is sealed and it is not adjustableIf the maximum engine speed cannot be attained or if the engine has poor performance, the water flow regulator valve should be considered in the troubleshooting of the problemDisassembly Remove the cover no4 of the valve by releasing the spring no3