2004 Polaris Freedom, Virage, Genesis and MSX-140 Service Manual., Page 53Get this manual
MAINTENANCE General TroubleshootingContinued Electrical
NOTE: yellow color may develop on spark plugs over time due to salt water mist ingestionThis is conductive coating which will eventually cause foulingSymptoms: No spark or weak spark on one cylinder
Non-resistor spark plugs in use Poor connection (spark plug cap to high tension lead) Poor connection (high tension lead to ignition coil) Fouled spark plug Faulty spark plug cap Poor grounds or connections in electrical box Faulty ignition coil Poor connections to Hall Effect sensors (trigger) Faulty Hall Effect sensor (trigger) Non-resistor spark plugs in use Fouled spark plug Engine stop switch faulty (shorted) Low battery voltagecrank speed too low with spark plugs installed Wiring incorrect or disconnected Terminal board or connectors corroded Poor grounds or connections in electrical box or at engine mount plate Poor connections at primary winding of secondary coil (blkblk-white on Polaris-Fuji engines) Faulty ignition coil Faulty exciter coil, trigger, or pulser coil (test stator) Excessive crankshaft runout on Magneto end (digital CDI only).004 or .10 mm) Damaged impeller or stator vanes in pump Driveshaft bent or engine alignment incorrect Pump cavitationworn pump bearings Engine mounting plate bolts loose Loose, worn, or broken rubber engine mounts Rich runningcarb synchronization, popoff valve stuck open, excessive piston to cylinder clearance, ring end gap, needle and seat dirty or stuck open Exhaust pipebracket loose Muffler loose or rubbing on hull Fasteners loose or broken Crankshaft out of index or runout excessive Misfire on one or more cylinders Ride plate wrong type or misaligned Water in hull