2001-2006 Honda TRX 300EX Sportrax 300EX Factory Service Manual, Page 296Get this manual
ELECTRIC STARTER STARTER MOTOR WIU NOT TURN
Check for loose or poorly connected battery terminals and opened or shorted battery cableNormal Abnormal_ Poorly connected battery terminals Open or short ci rcuit in battery cable
Check for loose or poorly connected starter relay
Abnormal_' Poorly connected terminals
switch terminalsNormal
Check fOf loose or poorly connected or broken
starter motor cableNormal
Abnormal_ Poorly connected starter motor cable Open circuit in starter motor cable
With the ignition switch ON, push the starter switch and check for click" sound from the stafter relay switch