1986-1987 Honda TRX350 FourTrax 4X4, 1987-1989 TRX350D Foreman 4X4 Service Manual, Page 288Get this manual
TECHNICAL FEATURES
DC-COl SYSTEM (FOREMAN)
This model employs DC-CDI system to improve the ignition performance in the low engine speed range
(41 CAPACITOR (5) COl
(2) EXCITER COIL
DESCRIPTION
On this system, the capacitor for the ignition is charged by the battery instead of the exciter coil in the alternator which is used on the current CDI system (Fig 11
(8) CONTROL (7) IGNITION
GENERATOR Fig2 This system enables stabilized voltage, which is not affected by the engine speed, to be applied to the ignition coil (Fig21 because the battery is used as source of electricity
CIRCUIT
(1) COMPARISON OF CDI PERFORMANCE
150 100 I