2003 Yamaha YFM400FAR Kodiak Factory Service Manual, Page 320Get this manual
IGNITION SYSTEM
8.Main switch
C0NTINUITY INCORRECT
Refer to "CHECKING THE SWITCHES"CORRECT 9.Pickup coil resistance
Replace the main switch
Disconnect the AC magneto coupler from the wire harnessConnect the pocket tester100) to the pickup coil terminalsTester (+) lead WhiteRed terminal Tester () lead WhiteGreen terminal 2