1986-1989 Honda TRX250 FourTrax 250R Service Manual, Page 206Get this manual
ELECTRICAL SYSTEM
LIGHTING COIL
INSPECTION
It is not necessary to remove the stator coil to make this test
After '88:
Disconnect the alternator whiteyellow wire connector
After '88:
Disconnect the alternator 2P connector
(2) 2P CONNECTOR
Check th resistance between th whiteyellow and ground
STANDARD: 0.1-1.00 (20C68F)
Replace the alternator stator if the reading is not within the specification
HEADLIGHT