1997-1998 Polaris SLX-Pro 785 Service Manual Supplement, Page 51Get this manual
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ENGINECOOLING Thermostat and Coolant FilterFuji
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