2002 Polaris Freedom, Virage, Genesis PWC Service Manual, Page 72Get this manual
Maintenance General TroubleshootingContinued Hydrolock
When an engine has been hydrolocked from water or fuel it is important to find the cause and inspect all components which may have been damagedBe sure to check the items on this list to ensure maximum service life from the engineIf fuel hydrolocked, check carburetor fuel inlet needle and seat conditionFind the cause of excess water in the hull(i.eWas the craft submerged? Righted improperly after being capsized? Is the bilge siphon system functioning properly? Does the cooling system have leak inside the craft? Is the hull leaking, allowing water into the engine compartment? Are seat or compartment seals in place and fitting tightly? [jet pump O-ring, driveshaft through hull fitting, speedometer pitot fitting, steering cable seal, airwater separator drain line, bilge siphon fittings through hull, cooling water supply through hull, etcWas the engine left running when the craft capsized?) Engine Compressionverify within specifications (See Engine Section) Reedsinspect for damage (See Carburetion Section) Fuel TankVentingcheck fuel tank and vent system for water Crankshaft Indexingverify crankshaft has not been forced out of index (See Engine Section) Flywheel and KeyInspect flywheel, key, and keyways for damageCheck ignition timing marks on flywheel with dial indicator before the engine is disassembled to verify proper positioning(See Electrical Section) Fuel Pumpcheck diaphragm condition (stretched from water pressure) Cylinder Conditioncheck base mounting flange area for cracks Check Applicable Service and Information Bulletins