2006-2014 Honda FourTrax ATV TRX250 EX TRX250X Service Manual, Page 334Get this manual
ELECTRIC STARTER Check for continuity between pairs of commutator barsThere should be continuityCONTINUITY
Check for continuity between each commutator bar and the armature shaftThere should be no continuity
NO CONTINUITY
Check for continuity between the insulated brush and cable terminalThere should be continuity