Charging System - Yamaha TT-R125EY Service Manual

EC680000

CHARGING SYSTEM

EC681001
INSPECTION STEPS
If the battery is not charged, use the following inspection steps.
*1 Check fuse.
OK
*2 Check battery.
OK
Check each coupler and
wire connection.
OK
Check charging voltage.
No good
Check CDI magneto.
OK
Replace rectifier/regulator.
*1 marked: Refer to "FUSE INSPECTION" section in the CHAPTER 3.
*2 marked: Refer to "BATTERY INSPECTION AND CHARGING" section in the CHAPTER 3.
TIP
• Remove the following parts before inspection.
1) Seat
2) Rear fender
3) Fuel tank
• Use the following special tool in this inspection:
Pocket tester:
YU-3112-C/90890-03112
CHARGING SYSTEM
No good
No good
No good
OK
No good
Charging coil
Inductive tachometer:
YU-8036-B
Engine tachometer:
90890-03113
6-16
– +
ELEC
Replace fuse and
check wire harness.
Recharge or replace.
Repair or replace.
Charging system is
good.
Replace.