Ignition System Troubleshooting; No Spark, Weak Or Intermittent Spark - Polaris Trail Blazer Service Manual

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Ignition System Troubleshooting

SSpark plug gap incorrect

SFouled spark plug

SFaulty spark plug cap or poor connection to high tension lead

SRelated wiring loose, disconnected, shorted, or corroded

SEngine Stop switch or ignition switch faulty

SETC switch misadjusted or faulty

STerminal board or connections wet, corroded

SPoor ignition coil ground (e.g. coil mount loose or corroded)

SFaulty stator (measure resistance of all ignition related windings)

SIncorrect wiring (inspect color coding in connectors etc)

SFaulty ignition coil winding (measure resistance of primary and secondary)

SWorn magneto (RH) end Crankshaft bearings

SSheared flywheel key

SFlywheel loose or damaged

STrigger coil air gap too wide (where applicable) - should be .016-.040" (.4-1.0 mm)

SExcessive crankshaft runout on magneto (RH) end - should not exceed .005"

SWhite stator wire (150W alternators) not grounded to engine

SFaulty CDI module**

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