1988-1994 Honda TRX300 Fourtrax, 1988, 1990-1994 TRX300FW Fourtrax Service Manual, Page 313Get this manual
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17IGNITION SYSTEM After '93:
BATTERY (11) SPARK PLUG (7) NEUTRAL SWITCH (10) IGNITION PULSE GENERATOR (9) ALTERNATOR (CHARGING COIL)