1998-2001 Yamaha YFM600FHM Grizzly Factory Service Manual, Page 308Get this manual
IGNITION SYSTEM
IELEC I0 I
4.lgnition coil resistance Disconnect the ignition coil connector from the wire harness Connect the pocket tester (0 1) to the ignition coil
Tester (+) lead Tester (-) lead
Orange lead terminal Ignition coil base
Check the primary coil has the specified resistancePrimary coil resistance: 0.18 0.28 at 20C (68F) Connect the pocket tester (Q 1k) to the ignition coilTester (+) lead Tester (-) lead Ignition coil base Spark plug lead