Yamaha TZR50 '03 Service Manual page 215

• Check to see if the stator coil has the specified resis-
tance.
Resistance of the stator coil:
0.4 ~ 0.6 Ω at 20º C
5. Cable connections
• Check the connections of the charging system
See the section on "CABLE DIAGRAM"
Change the rectifier / regulator
CHARGING SYSTEM
MATCHES
SPECIFICATION
CORRECT
8-16
DOES NOT MATCH SPECIFICATION
Replace the stator coil
BAD CONNECTIONS
Correct these.
ELEC