2000 Polaris Virage TX, SLX, Pro 1200, Genesis, Genesis FFI Personal Watercraft Service Manual, Page 159Get this manual
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ENGINE Thermostat and Coolant Filter
Thermostat Pop Off Assembly
If low end performance of the watercraft begins to deteriorate, and the jet pump intake area is free of debris and weeds; or if the overheat alarm sounds, the thermostat pop off assembly should be checked for debris and cleanedAlso inspect the thermostat pop off assembly if the watercraft has been stored for more than 30 days or has been used in salt waterTo do this, use 316" (.5 cm) Allen wrench and flat screwdriver
Internal Pop-off Valve (Longer End Towards
If the thermostat pop off assembly is reassembled incorrectly severe engine damage will result within very short period of operation
QThe,:ostat Thermostat
Base Gasket