1986-1987 Honda TRX350 FourTrax 4X4, 1987-1989 TRX350D Foreman 4X4 Service Manual, Page 250Get this manual
IGNITION SYSTEM
SYSTEM DIAGRAM
(4) MAIN FUSE (FOREMAN) (3) IGNIT ION COIL (1) STOP SWITCH
DC-COl UNIT (FOREMAN)
(9) PULSE GENERATOR
(7) NEUTRAL SWITCH
CDI SYSTEM (FOURTRAX)
(2) IGNITION SWITCH