2004 Bombardier DS650/DS650 Baja/DS650 Baja X Shop Manual, Page 57Get this manual
Section 03 ENGINE Subsection 02 (TROUBLESHOOTING)
SYMPTOM CONDITION
HIGH ENGINE OPERATING TEMPERATURENORMAL USE11Check coolant drain screw on water pump housing (marked "Drain")aCopper ring on drain screw leaksRetighten screw andor replace copper gasket ring12Check intermediate gear(s) behind magneto coveraWorn out andor broken gear(s) is (are) causing less coolant supplyReplace worn out andor broken gear(s) (refer to LUBRICATIONMAGNETO SYSTEM)