2004 Polaris Sportsman 600/700 Service Manual, Page 250Get this manual
TIMING CHECK PROCEDURE
NOTE: 2004 Sportsman 6OOnOO ATVs were built with either Ducat; ignition system or Kokusan ignition systemDucat Ignitions were installed
If the ignition timing is not within the specified range, test the ignition components for signs of failureThe timing tag on the flywheel indicates the direction of rotation and the scale for ignrtion timing
on all models built before February 20, 2003Kokussn Ignitions were Installed on models built on February 20, 2003 and after, Besure to Identify the build date of the ATV to properly Identify the style of ignition system used for proper diagnosis purposes