2003 Polaris Freedom, Virage and Genesis PWC Service Manual, Page 65Get this manual

2003 Polaris Freedom, Virage and Genesis PWC Service Manual, Page 65

Maintenance General TroubleshootingContinued Hydrolock A hydrolock condition can be caused by either water or fuel ingestionMost
hydrolock condition, follow these steps: 1Lift the seat assembly off of the topdeckIs the seat abnormally heavy compared
to others? 2Check engine compartment hull liner for signs of water andor water line3Visually inspect engine for signs of
cracking, or missing parts4Check engine compression5Inspect reeds for water damage6Verify crankshaft index(3 cylinder engines120_cylinder
engines180_ 7Inspect flywheel and flywheel key for abnormal damageVerify ignition timing on MAG cylinder8Always check for
service tips service bulletinsIf the engine requires disassembly, check the following components for signs of hydrolock:
Crankshaft Bearings: Inspect ALL bearings for signs of rust or damageConnecting Rods: Inspect for cracks, overheating, or
dimplesroller bearing imprints on small and bigend bearing surfacesS Piston PinPiston: Inspect pin for roller bearing imprints
and rustFailures attributed to hydrolock are, but not limited to: Engine will not startSevere backfiringHoled or melted piston(s)Engine