1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 321Get this manual
ELECTRICAL Ignition System TestingPVL PVL Ignition Troubleshooting (700 and 1050 Engines)
Verify spark plugs are RESISTOR TYPE! If the battery voltage is low, cranking rpm will be downThe ignition system may show weak spark with plug out of the cylinder, but not spark under compression or it may show no spark at allInstall charger on the battery to ensure good cranking rpm Verify the firing orderIf the plug leads are all the same length, trim them so they can only be installed on the correct cylinderRead through the entire procedure before proceedingSome steps are repeatedThe correct sequence depends on the readings obtained in step one (1)
Check continuity from inside spark plug caps to engine studTo Coil