2008-2009 Suzuki 750 King Quad Service Manual, Page 232Get this manual
Engine Cooling System: Diagnostic Information and Procedures Engine Cooling Symptom Diagnosis Condition Engine overheats
the cooling system with 120 kPa (1.2 kgf cm, 17 psi) of pressure, and then check if it holds the pressure for 10 seconds!
Do not open the radiator cap when the engine is hot, as you may be injured by escaping hot liquid or vapor When removing
the radiator cap tester, put rag on the filler to prevent the engine coolant from spraying outInspect the cooling circuit
in the following procedures: 1) Remove the radiator cap lid (1) and radiator cap (2)2) Connect the radiator tester (3) to
the filler CAUTION Do not exceed the radiator cap release pressure, or the radiator cap and subsequently the radiator, can
be damaged I831G1160003-01 I831G1160005-01 4) After finishing the cooling circuit inspection, reinstall the removed parts.