2001 Polaris SLX, PRO 1200, Virage TX, Genesis, Virage TXi, Genesis i Personal Watercraft Service Manual, Page 287Get this manual
Electrical Systems PVL Ignition Troubleshooting (1200 Carbureted Engines)
I 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 RPMVerify 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)