2004-2005 660 Yamaha Rhino Factory Service Manual, Page 361Get this manual
IGNITION SYSTEM EB802010
TROUBLESHOOTING IF THE IGNITION SYSTEM FAILS TO OPERATE (NO SPARK OR INTERMITTENT SPARK): Procedure Check: 1Fuses (main, ignition) 2Battery 3Spark plug 4Ignition spark gap 5Spark plug cap resistance 6Ignition coil resistance NOTE: Remove the following part(s) before troubleshooting: 1) Console 2) Footrest cover Use the following special tool(s) for troubleshootingEB802011
7Main switch 8Pickup coil resistance 9Rotor rotation direction detection coil resistance 10.Wiring connection (the entire ignition system) Pulse ignition spark checker PNYM-34487 Ignition checker PN90890-06754 Pocket tester PNYU-03112-C, 90890-03112