charging YAMAHA TTR50 2006 User Guide

–+ELEC
6 - 6
ELECTRIC STARTING SYSTEM
INSPECTION STEPS
If the starter motor will not operate, use the following inspection steps.
*1 marked: Refer to “FUSE INSPECTION ” section in the CHAPTER 3.
*2 marked: Refer to “BATTERY INSPECTION AND CHARGING ” section in the CHAPTER 3.
*3 marked: Refer to “MAIN SWITCH INSPECTION ” section.
*4 marked: Refer to “ENGINE STOP SWITCH INSPECTION ” section.
NOTE:
 Remove the following parts before inspection.
1) Seat assembly
2) Air scoops (left and right)
3) Fuel tank
Refer to “FRONT FENDER, SEAT ASSEMBLY AND FUEL TANK ” section in the CHAPTER 4.
 Use 12 V battery in this inspection.
 Use the following special tools in this inspection.
Pocket tester:
YU-03112-C/90890-03112
*1 Check fuse. Replace fuse and
check wire harness.
*2 Check battery. Recharge or replace.
Check each coupler and wire connection. Repair or replace.
*3 Check main switch. Replace. *4 Check engine stop switch. Replace.
Check starter motor operation. Repair or replace.
Check starter relay. Replace.
Check neutral switch. Replace. Check start switch. Replace.
OK
OK
OK
OK
OK
OK
OK
OK
No good
No good
No good
No good
No good
No good
ELECTRIC STARTING SYSTEM
No good
No good
No good

–+ELEC
6 - 14
CHARGING SYSTEM
EC680000
CHARGING SYSTEM
EC681001
INSPECTION STEPS
If the battery is not charged, use the following inspection steps.
*1 marked: Refer to “FUSE INSPECTION ” section in the CHAPTER 3.
*2 marked: Refer to “BATTERY INSPECTION AND CHARGING ” section in the CHAPTER 3.
NOTE:
 Remove the following parts before inspection.
1) Seat assembly
Refer to “FRONT FENDER, SEAT ASSEMBLY AND FUEL TANK ” section in the CHAPTER 4.
 Use the following special tool in this inspection.
Pocket tester:
YU-03112-C/90890-03112
*1 Check fuse. Replace fuse and
check wire harness.
*2 Check battery. Recharge or replace.
Check each coupler and wire connection. Repair or replace.
Check charging voltage. Charging system is
good.
Check AC magneto. Charging coil Replace.
Replace rectifier/regulator.
OK
OK
OK
No good
OK
No good
OK
No good
No good
No good

6 - 15
–+ELECCHARGING SYSTEM
EC624000
COUPLERS AND LEADS CONNECTION
INSPECTION
1. Check:
Couplers and leads connection
Rust/dust/looseness/short-circuit →
Repair or replace.
CHARGING VOLTAGE INSPECTION
1. Start the engine.
2. Inspect: Charging voltage
Out of specification → If no failure is
found in checking the charging coil resis-
tance, replace the rectifier/regulator.
Tester (+) lead → Red lead
1
Tester ( –) lead
→ Black lead
2
Charging
voltage Tester selector
position
14.0 V at
5,000 r/min DCV-20
2
1
W R
Y/R
B
AC MAGNETO INSPECTION
1. Inspect: Charging coil resistance
Out of specification → Replace.
Tester (+) lead → White lead
1
Tester ( –) lead
→ Black lead
2
Charging coil
resistance Tester selector
position
0.96 ~ 1.44 Ω at
20 °C (68 °F) Ω

× 1
WSb
B
Y 1
2