2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 324Get this manual
BATTERY CHARGING SYSTEM
ALTERNATOR CHARGING COIL
INSPECTION
Remove the alternator 3P red connector from the frame and disconnect it
Measu re the resistance between the Yellow wire terminals of the alternator side connector
STANDARD: 0.11.0 !20c68Fj
Check for continuity between each Yel low wire terminal of the alternator side con nector and grou ndThere should be no continuityReplace the alternator stator if resista nce is out of specification, or if any wi re has continuity to ground
Alternator stato replacement (page-6),